├── .gitignore
├── README.md
├── arrays
    ├── array.php
    ├── array_cast.php
    ├── array_change_key_case.php
    ├── array_chunk.php
    ├── array_count_values.php
    ├── array_diff.php
    ├── array_eq.php
    ├── array_eqvl.php
    ├── array_fill.php
    ├── array_flip.php
    ├── array_intersect.php
    ├── array_key_exists.php
    ├── array_keys.php
    ├── array_keys_search_value.php
    ├── array_merge.php
    ├── array_multi.php
    ├── array_multisort.php
    ├── array_multisort_flags.php
    ├── array_pad.php
    ├── array_pop.php
    ├── array_push.php
    ├── array_rand.php
    ├── array_search.php
    ├── array_shift.php
    ├── array_slice.php
    ├── array_splice.php
    ├── array_sum.php
    ├── array_unique.php
    ├── array_unset.php
    ├── array_unshift.php
    ├── array_values.php
    ├── asort.php
    ├── assoc.php
    ├── assoc_add.php
    ├── assoc_get.php
    ├── assoc_same_keys.php
    ├── brackets.php
    ├── count.php
    ├── count_multi.php
    ├── count_recursive.php
    ├── curly_brackets.php
    ├── for.php
    ├── foreach.php
    ├── foreach_alter.php
    ├── foreach_list.php
    ├── foreach_multi.php
    ├── foreach_square.php
    ├── index.php
    ├── index_auto.php
    ├── indexes.php
    ├── indexes_default.php
    ├── inter_multi.php
    ├── interpolate.php
    ├── interpolate_assoc.php
    ├── is_array.php
    ├── isset.php
    ├── keys_ignore.php
    ├── ksort.php
    ├── list.php
    ├── list_incomplete.php
    ├── natsort.php
    ├── plus.php
    ├── plus_alter.php
    ├── print_r.php
    ├── rand.php
    ├── range.php
    ├── rsort.php
    ├── search_element.php
    ├── shuffle.php
    ├── sort.php
    ├── square.php
    ├── square_brackets.php
    ├── strict.php
    ├── unset.php
    ├── vars_exchange.php
    └── vars_exchange_square.php
├── attributes
    ├── MVC
    │   └── page.php
    ├── entrypoint.php
    ├── entrypoint
    │   └── user.php
    ├── extract_attribute.php
    ├── extract_page.php
    ├── model.php
    ├── model
    │   └── user.php
    ├── model_filter.php
    ├── my_model.php
    ├── my_model
    │   └── my_model.php
    └── user.php
├── classes
    ├── class_scope.php
    ├── clone.php
    ├── datetime.php
    ├── datetime_class.php
    ├── datetime_type.php
    ├── dump.php
    ├── links.php
    ├── my_class.php
    ├── my_static.php
    ├── objects.php
    ├── point.php
    ├── point_distance.php
    ├── point_null.php
    ├── point_nullable.php
    ├── point_nullable_use.php
    ├── point_object.php
    ├── point_type.php
    ├── point_type_distance.php
    ├── point_type_wrong.php
    ├── point_union.php
    ├── point_union_distance.php
    ├── point_union_null.php
    ├── point_unrelated.php
    ├── point_unset.php
    ├── point_var.php
    ├── point_wrong.php
    ├── private_point.php
    ├── private_point_use.php
    ├── readonly.php
    ├── readonly_constructor.php
    ├── readonly_constructor_use.php
    ├── readonly_mixed.php
    ├── readonly_setter.php
    ├── readonly_setter_use.php
    ├── readonly_write.php
    ├── readonly_wrong.php
    ├── redeclare.php
    ├── redeclare_require.php
    ├── redeclare_require_once.php
    ├── static_use.php
    └── var.php
├── complicated_functions
    ├── anonim.php
    ├── array_filter.php
    ├── array_map.php
    ├── array_reduce.php
    ├── array_reduce_anonim.php
    ├── array_walk.php
    ├── closure.php
    ├── dynamic.php
    ├── dynamic_string.php
    ├── dynamic_wrong.php
    ├── factorial.php
    ├── filter_map.php
    ├── fn.php
    ├── is_callable.php
    ├── nested.php
    ├── point.php
    ├── recursive.php
    ├── recursive_wrong.php
    ├── sort_anonim.php
    ├── sqrt.php
    ├── translate.php
    ├── walk.php
    ├── walk_args.php
    └── walk_recursive.php
├── components
    ├── dir.php
    ├── file.php
    ├── items_range.php
    ├── languages.sql
    ├── pager
    │   ├── README.md
    │   ├── composer.json
    │   └── src
    │   │   └── ISPager
    │   │       ├── DirPager.php
    │   │       ├── FilePager.php
    │   │       ├── ItemsRange.php
    │   │       ├── Pager.php
    │   │       ├── PagesList.php
    │   │       ├── PdoPager.php
    │   │       └── View.php
    ├── pager_use
    │   ├── composer.json
    │   ├── composer.lock
    │   └── index.php
    ├── pdo.php
    └── photos
    │   ├── s_20040815135808.jpg
    │   ├── s_20040815135939.JPG
    │   ├── s_20040815140021.JPG
    │   ├── s_20040815140107.JPG
    │   ├── s_20040815140209.JPG
    │   ├── s_20040815140411.JPG
    │   ├── s_20040815140506.JPG
    │   ├── s_20040815140606.JPG
    │   ├── s_20040815140809.JPG
    │   ├── s_20040815141012.JPG
    │   └── s_20040815141200.JPG
├── composer
    ├── monolog
    │   ├── composer.json
    │   ├── composer.lock
    │   └── index.php
    ├── phinx
    │   ├── composer.json
    │   ├── composer.lock
    │   ├── db
    │   │   ├── migrations
    │   │   │   └── 20220611151936_create_user_table.php
    │   │   └── seeds
    │   │   │   └── UsersSeeder.php
    │   └── phinx.php
    └── psysh
    │   ├── composer.json
    │   ├── composer.lock
    │   └── index.php
├── conditions
    ├── alterif.php
    ├── and.php
    ├── checker.php
    ├── current_month_days.php
    ├── difficult.php
    ├── difficult_match.php
    ├── difficult_switch.php
    ├── elseif.php
    ├── file_get_contents.php
    ├── file_get_contents_or.php
    ├── goto.php
    ├── if.php
    ├── if_curly.php
    ├── if_example.php
    ├── match.php
    ├── match_error.php
    ├── match_function_keys.php
    ├── match_multi_keys.php
    ├── or.php
    ├── or_success.php
    ├── or_wrong.php
    ├── oralt.php
    ├── switch.php
    ├── switch_alt.php
    ├── switch_error.php
    ├── switch_ifelseif.php
    ├── switch_without_break.php
    ├── tern.php
    ├── tern_isset.php
    ├── ternary.php
    ├── ternary_alt.php
    └── ternary_alt_after_8.php
├── constants
    ├── centimeter.php
    ├── centimeter_wrong.php
    ├── constant.php
    ├── constant_class.php
    ├── constant_class_definded.php
    ├── constant_dynamic.php
    ├── define.php
    ├── define_object.php
    ├── defined.php
    ├── pi.php
    ├── pi_downcase.php
    ├── pre_const.php
    └── redefine.php
├── date
    ├── calendar.php
    ├── date.php
    ├── date_default_timezone_set.php
    ├── dateinterval.php
    ├── dateinterval_diff.php
    ├── dateperiod.php
    ├── datetime.php
    ├── datetime_rss.php
    ├── datetime_set.php
    ├── datetime_zone.php
    ├── microtime.php
    ├── microtime_precision.php
    ├── microtime_sum.php
    ├── mktime.php
    ├── speed.php
    ├── strtotime.php
    ├── time.php
    ├── timezone_abbreviations_list.php
    ├── timezone_identifiers_list.php
    └── utc.php
├── dirs
    ├── chdir.php
    ├── dir.php
    ├── dir_alter.php
    ├── dir_rewind.php
    ├── getcwd.php
    ├── glob.php
    ├── mkdir.php
    ├── mkdir_fail.php
    ├── mkdir_recursive.php
    ├── rmdir_recursive.php
    └── tree.php
├── enums
    ├── backend_enum.php
    ├── cases.php
    ├── const.php
    ├── empty_enum.php
    ├── foreach.php
    ├── foreach_static.php
    ├── from.php
    ├── rainbow.php
    ├── rainbow_interface.php
    ├── rainbow_size.php
    ├── rainbow_translate.php
    ├── rainbow_translate_use.php
    ├── rainbow_type.php
    ├── scalar.php
    ├── scalar_type.php
    ├── size.php
    ├── trait_rainbow.php
    ├── trait_sizable.php
    ├── trait_tranlatable.php
    ├── trait_use.php
    ├── translatable.php
    ├── try_from.php
    └── wrong_value_call.php
├── errors
    ├── error.php
    ├── error_catch.php
    ├── error_fail_catch.php
    ├── log.php
    ├── log.txt
    ├── php.ini
    ├── set_error_handler.php
    ├── suppression.php
    ├── trace.php
    └── trigger_error.php
├── exceptions
    ├── attribute_exception.php
    ├── catch_base.php
    ├── catch_union.php
    ├── destruct.php
    ├── exception_interface.php
    ├── finally.php
    ├── iface
    │   ├── exceptions.php
    │   ├── interfaces.php
    │   └── test.php
    ├── password_exception.php
    ├── rethrow.php
    ├── rethrow_fail.php
    ├── simple.php
    ├── stack.php
    ├── throwable.php
    ├── tostring.php
    ├── user.php
    ├── user_exception.php
    ├── user_exception_use.php
    ├── user_own_aceptions_use.php
    └── user_own_exceptions.php
├── exec
    ├── dead.php
    └── popen.php
├── expr
    ├── array_compare.php
    ├── array_compare_bool.php
    ├── auto_cast.php
    ├── bits.php
    ├── bits_pack.php
    ├── bits_unpack.php
    ├── bool.php
    ├── chars_compare.php
    ├── comma.php
    ├── concat.php
    ├── concat_eq.php
    ├── division.php
    ├── echo_bool.php
    ├── echo_error.php
    ├── echo_parentheses.php
    ├── echo_success.php
    ├── epsilon_compare.php
    ├── epsilon_compare_if.php
    ├── eq.php
    ├── eq_compare.php
    ├── eqobj.php
    ├── even_odd.php
    ├── expr_type.php
    ├── float_compare.php
    ├── increment.php
    ├── increment_str.php
    ├── increment_use.php
    ├── int.php
    ├── interpolation.php
    ├── mod.php
    ├── object_compare.php
    ├── operators.php
    ├── ord.php
    ├── precedence_after_8.php
    ├── precedence_before_8.php
    ├── square.php
    ├── string_int_compare.php
    ├── string_plus.php
    ├── string_plus_error.php
    └── strings_compare.php
├── extensions
    ├── phpinfo.php
    ├── precision.php
    └── session.php
├── files
    ├── counter.php
    ├── csv.php
    ├── dirname.php
    ├── file.csv
    ├── file.ini
    ├── file.txt
    ├── ini.php
    ├── lock_ex.php
    ├── lock_ex_cyclic.php
    ├── lock_sh.php
    ├── slashes.php
    └── textbin.php
├── filters
    ├── add_slashes_sanitize.php
    ├── boolean_validate.php
    ├── callback_sanitize.php
    ├── default.php
    ├── email_sanitize.php
    ├── email_validate.php
    ├── encoded_sanitize.php
    ├── filter_input.php
    ├── filter_input_handler.php
    ├── filter_var.php
    ├── filter_var_array.php
    ├── fn_sanitize.php
    ├── int_float_sanitize.php
    ├── int_sanitize.php
    ├── ip_validate.php
    ├── range_validate.php
    ├── regexp_validate.php
    └── special_chars_sanitize.php
├── forms
    ├── form.html
    ├── form_checkbox.html
    ├── form_checkbox_value.html
    ├── form_first.html
    ├── form_first_handler.php
    ├── form_greets.php
    ├── form_greets_handler.php
    ├── form_handler.php
    ├── form_hidden.php
    ├── form_hidden_handler.php
    ├── form_password.html
    ├── form_radio.html
    ├── form_select.html
    ├── form_textarea.html
    ├── get.php
    ├── get_array.php
    ├── greets.php
    ├── location.php
    ├── parse_url.php
    ├── parse_url_short.php
    └── urlencode.php
├── functions
    ├── counter.php
    ├── counter_static.php
    ├── echo.php
    ├── endless.php
    ├── explicit.php
    ├── function_call.php
    ├── function_cond.php
    ├── function_curly.php
    ├── function_declare_error.php
    ├── function_echo.php
    ├── global.php
    ├── globals_array.php
    ├── local.php
    ├── local_variable.php
    ├── never.php
    ├── nullable.php
    ├── object_default.php
    ├── ordinary_endless.php
    ├── param.php
    ├── param_default.php
    ├── param_default_error.php
    ├── param_error.php
    ├── params.php
    ├── params_by_ref.php
    ├── params_by_val.php
    ├── params_comma.php
    ├── params_named.php
    ├── params_order.php
    ├── rand_named.php
    ├── rand_named_double.php
    ├── return.php
    ├── return_array.php
    ├── return_null.php
    ├── return_short.php
    ├── sort.php
    ├── sqrt_gettype.php
    ├── strict_types.php
    ├── too_many_args.php
    ├── types.php
    ├── types_error.php
    ├── types_union.php
    ├── unset.php
    ├── unset_global.php
    └── void.php
├── gd
    ├── button.gif
    ├── button.php
    ├── lib
    │   └── imagettf.php
    ├── pen.php
    ├── random.php
    ├── resample.php
    ├── sample00.gif
    ├── sample01.gif
    ├── sample02.png
    ├── sample03.jpg
    ├── sample1.jpg
    ├── sample2.jpg
    ├── sample3.jpg
    ├── sample4.jpg
    ├── sample5.jpg
    ├── semitransp.php
    ├── tile.php
    ├── times.ttf
    └── ttf.php
├── generators
    ├── array.php
    ├── collect.php
    ├── combine.php
    ├── combine_from.php
    ├── keys.php
    ├── makerange_bad.php
    ├── makerange_good.php
    ├── new.php
    ├── next.php
    ├── object.php
    ├── ref.php
    ├── reject.php
    ├── return.php
    ├── select.php
    ├── send.php
    ├── simple.php
    └── yield.php
├── html
    ├── comment.html
    ├── css.css
    ├── css.html
    ├── div.html
    ├── h_tag.html
    ├── hello.html
    ├── image.html
    ├── image_height.html
    ├── link.html
    ├── meta.html
    ├── ol_tag.html
    ├── p_escape.html
    ├── p_wrong.html
    ├── php.png
    ├── semantic.html
    ├── style.html
    ├── style_tag.html
    ├── text_tags.html
    └── ul_tag.html
├── inherit
    ├── anonym.php
    ├── anonym_nested.php
    ├── file
    │   ├── logger.php
    │   └── logger
    │   │   ├── debug.php
    │   │   └── debug0.php
    ├── final.php
    ├── inherit0.php
    ├── inherit0cast.php
    ├── inherit_cast.php
    ├── inherit_static.php
    ├── pages
    │   ├── cached.php
    │   ├── cached_a.php
    │   ├── cast.php
    │   ├── instanceof.php
    │   ├── news.php
    │   ├── page.php
    │   ├── page_a.php
    │   ├── static_page.php
    │   └── test.php
    └── static.php
├── install
    ├── Dockerfile
    ├── index.php
    ├── index_error.php
    ├── php.php
    └── phpcs.phar
├── interfaces
    ├── administrator.php
    ├── article.php
    ├── article_author_seo.php
    ├── article_author_seo_use.php
    ├── article_use.php
    ├── author.php
    ├── avatar.php
    ├── backenduser.php
    ├── editor.php
    ├── frontuser.php
    ├── frontuser_avatar.php
    ├── frontuser_avatar_use.php
    ├── image.php
    ├── image_avatar.php
    ├── image_cover.php
    ├── instanceof.php
    ├── moderator.php
    ├── moderator_avatar.php
    ├── news.php
    ├── seo.php
    ├── topic.php
    ├── user.php
    └── user_use.php
├── iterators
    ├── array.php
    ├── array_access.php
    ├── directory.php
    ├── filter.php
    ├── iter_fs.php
    ├── iter_simple.php
    ├── iterator.php
    ├── iterator_aggregate.php
    ├── iterators
    │   ├── extensionfilter.php
    │   ├── fsdirectory.php
    │   ├── fsdirectoryiterator.php
    │   ├── fsfile.php
    │   ├── limitmyiterator.php
    │   └── myiterator.php
    ├── limit.php
    ├── recursion.php
    ├── recursion_dir.php
    ├── size.php
    ├── use_array_object.php
    ├── use_limitmyiterator.php
    └── use_myiterator.php
├── loops
    ├── break_inner.php
    ├── break_nested_while.php
    ├── break_number.php
    ├── do_while.php
    ├── for.php
    ├── for_alter.php
    ├── for_complex.php
    ├── for_decrement.php
    ├── for_infinitely.php
    ├── for_one_line.php
    ├── for_step_five.php
    ├── for_without.php
    ├── multiplication_table.php
    ├── prime_number.php
    ├── while.php
    ├── while_alter.php
    ├── while_break.php
    ├── while_continue.php
    ├── while_decrement.php
    ├── while_false.php
    └── while_post_decrement.php
├── math
    ├── getrandmax.php
    ├── largetextfile.txt
    └── randline.php
├── methods
    ├── algorithm.php
    ├── algorithm_distances.php
    ├── algorithm_static.php
    ├── array_distances.php
    ├── array_map.php
    ├── config.php
    ├── connection.php
    ├── connection_throw.php
    ├── connection_use.php
    ├── construct.php
    ├── construct_call.php
    ├── construct_call_use.php
    ├── construct_params.php
    ├── construct_params_use.php
    ├── construct_private.php
    ├── construct_private_use.php
    ├── construct_use.php
    ├── default.php
    ├── distance.php
    ├── distance_use.php
    ├── greeting.php
    ├── greeting_param.php
    ├── greeting_say.php
    ├── interpolation.php
    ├── list_variables.php
    ├── method_exists.php
    ├── method_wrong.php
    ├── methods_list.php
    ├── minmax.php
    ├── minmax_alter.php
    ├── minmax_static.php
    ├── minmax_static_use.php
    ├── minmax_use.php
    ├── page.php
    ├── page_use.php
    ├── point.php
    ├── point_interpolation.php
    ├── point_interpolation_use.php
    ├── point_use.php
    ├── point_wrong.php
    ├── properties_list.php
    ├── property_assign.php
    ├── property_exists.php
    ├── property_wrong.php
    ├── rainbow.php
    ├── rainbow_use.php
    ├── say_param.php
    ├── segment.php
    ├── segment_null_safe.php
    ├── segment_point.php
    ├── segment_use.php
    ├── segment_wrong.php
    ├── settings.php
    ├── settings_use.php
    ├── static.php
    ├── static_distances.php
    ├── static_greeting.php
    └── static_greeting_use.php
├── namespace
    ├── PHP8
    │   ├── author.php
    │   ├── page.php
    │   └── seo.php
    ├── absolute.php
    ├── anonim.php
    ├── namespace.php
    ├── namespace_const.php
    ├── namespace_fail.php
    ├── namespace_key.php
    ├── namespace_use.php
    ├── namespaces.php
    ├── namespaces_alt.php
    ├── namespaces_alt_use.php
    ├── relative.php
    ├── spl_autoload_register.php
    ├── use.php
    └── wrong.php
├── net
    ├── context.php
    ├── curl.php
    ├── curlpost.php
    ├── file.php
    ├── form.html
    ├── handler.php
    ├── headers.php
    ├── php_net.php
    ├── post.php
    ├── postform.html
    ├── posthandler.php
    ├── socket.php
    ├── user_agent.php
    └── wrap.php
├── others
    ├── eval.php
    ├── highlight_file.php
    ├── md5.php
    ├── md5_file.php
    ├── md5_file_change.php
    ├── password_hash.php
    ├── password_verify.php
    ├── phpinfo.php
    ├── phpinfo_flags.php
    └── phpversion.php
├── patterns
    ├── factory
    │   ├── models
    │   │   ├── collection.php
    │   │   ├── page.php
    │   │   ├── pages.php
    │   │   ├── user.php
    │   │   └── users.php
    │   └── router.php
    ├── factory_use.php
    ├── mvc
    │   ├── controllers
    │   │   ├── controller.php
    │   │   └── router.php
    │   ├── decorators
    │   │   ├── decoratorfactory.php
    │   │   ├── userdecorator.php
    │   │   └── usersdecorator.php
    │   ├── models
    │   │   ├── user.php
    │   │   └── users.php
    │   └── views
    │   │   ├── htmlview.php
    │   │   ├── rssview.php
    │   │   ├── userhtmlview.php
    │   │   ├── userrssview.php
    │   │   ├── usershtmlview.php
    │   │   ├── usersrssview.php
    │   │   └── viewfactory.php
    ├── mvc_use.php
    ├── settings_use.php
    └── singleton
    │   └── settings.php
├── pdo
    ├── addnews.php
    ├── connect.php
    ├── connect_db.php
    ├── errors.php
    ├── exec.php
    ├── exec_wrong.php
    ├── fetch.php
    ├── fetch_all.php
    ├── news.html
    ├── news.sql
    ├── prepare.php
    ├── prepare_question.php
    └── version.php
├── permissions
    ├── fileperms.php
    ├── mtime.php
    ├── text.txt
    └── typefile.php
├── phpbasics
    ├── comments.php
    ├── curly.php
    ├── few.php
    ├── if.php
    ├── include.php
    ├── included.php
    ├── index.php
    ├── index_alternative.php
    ├── into.php
    ├── mech.php
    ├── missing.php
    ├── position.php
    ├── semicolumn.php
    ├── semicolumn_error.php
    └── shortags.php
├── phpdocs
    ├── PHP8
    │   └── page.php
    ├── docblock.php
    └── phpdocs
    │   ├── composer.json
    │   └── composer.lock
├── postgresql
    ├── articles.sql
    ├── catalog.sql
    ├── catalog_comment.sql
    ├── catalog_null.sql
    ├── catalog_sql_comment.sql
    ├── database_create.sql
    ├── database_drop.sql
    ├── insert.sql
    ├── multi_insert.sql
    ├── tables_drop.sql
    ├── tbl_order.sql
    ├── timestamp.sql
    └── users.sql
├── redis
    ├── config.php
    ├── keys.php
    ├── methods.php
    ├── mget.php
    ├── mvc
    │   ├── controllers
    │   │   ├── controller.php
    │   │   ├── controllercache.php
    │   │   ├── controllerlazy.php
    │   │   └── router.php
    │   ├── decorators
    │   │   ├── decoratorfactory.php
    │   │   ├── userdecorator.php
    │   │   └── usersdecorator.php
    │   ├── models
    │   │   ├── user.php
    │   │   └── users.php
    │   └── views
    │   │   ├── htmlview.php
    │   │   ├── rssview.php
    │   │   ├── userhtmlview.php
    │   │   ├── userrssview.php
    │   │   ├── usershtmlview.php
    │   │   ├── usersrssview.php
    │   │   └── viewfactory.php
    ├── mvc_use.php
    ├── ping.php
    └── session.php
├── reflections
    ├── datetime.php
    ├── datetime_reflection.php
    ├── get_parameters.php
    ├── hello.php
    ├── modifiers.php
    ├── param.php
    ├── param_named.php
    ├── rclass.php
    ├── rdoc.php
    ├── reflection.php
    ├── reflection_class.php
    ├── reflection_extension.php
    ├── reflection_function.php
    ├── reflection_method.php
    ├── reflection_parameter.php
    ├── reflection_property.php
    ├── reflector.php
    ├── rexcept.php
    ├── rext.php
    ├── rfunc.php
    └── rinherit.php
├── regexp
    ├── email.php
    ├── ex01.php
    ├── ex02.php
    ├── ex03.php
    ├── ex04.php
    ├── ex05.php
    ├── ex06.php
    ├── ex07.php
    ├── ex08.php
    ├── ex09.php
    ├── ex10.php
    ├── ex11.php
    ├── ex12.php
    ├── grep.php
    ├── hsc.php
    ├── http.php
    ├── largetextfile.txt
    ├── match_all.php
    ├── replace_callback.php
    ├── replace_callback_array.php
    └── uniq.php
├── standarts
    ├── codesniffer
    │   ├── composer.json
    │   └── composer.lock
    ├── indent.php
    ├── psr12.php
    ├── psr1right.php
    ├── psr1wrong.php
    └── vendors
    │   ├── hello.php
    │   ├── page.php
    │   └── storage.php
├── strings
    ├── array.php
    ├── ascii.php
    ├── delete.php
    ├── explode.php
    ├── htmlspecialchars.php
    ├── implode.php
    ├── javascript.php
    ├── json_decode.php
    ├── json_encode.php
    ├── json_encode_unescaped.php
    ├── locale.php
    ├── locale_try.php
    ├── localeconv.php
    ├── nl2br.php
    ├── printf.php
    ├── printf_color.php
    ├── printf_float.php
    ├── printf_int.php
    ├── printf_number.php
    ├── serialize.php
    ├── set_locale.php
    ├── str_replace.php
    ├── str_replace_array.php
    ├── str_replace_count.php
    ├── strip_tags.php
    ├── strlen.php
    ├── strpos.php
    ├── strpos_substr.php
    ├── substr.php
    ├── trim.php
    ├── utf8.php
    ├── utf8crash.php
    ├── wordwrap.php
    └── wrong_symbols.php
├── superblobals
    ├── counter.php
    ├── document_root.php
    ├── env.php
    ├── fulladdress.php
    ├── page.php
    ├── query_string.php
    ├── referer.php
    ├── request_method.php
    ├── server.php
    ├── session_get.php
    └── session_start.php
├── traits
    ├── article.php
    ├── article_use.php
    ├── author.php
    ├── backenduser.php
    ├── image.php
    ├── meta.php
    ├── moderator.php
    ├── moderator_name.php
    ├── moderator_name_asterisk.php
    ├── moderator_name_asterisk_use.php
    ├── moderator_name_use.php
    ├── moderator_use.php
    ├── name.php
    ├── opengraph.php
    ├── seo.php
    ├── tag.php
    ├── theme.php
    ├── topic.php
    ├── traits_conflict.php
    ├── traits_conflict_private.php
    └── user.php
├── upload
    ├── album.php
    ├── complex.php
    ├── photo_album.php
    ├── test.php
    ├── upload_limit.php
    └── upload_max_filesize.php
└── variables
    ├── array.php
    ├── back_quotes.php
    ├── boolean.php
    ├── boolean_inc.php
    ├── cast.php
    ├── cast_boolean.php
    ├── cast_integer.php
    ├── cast_string.php
    ├── double.php
    ├── double_to_int.php
    ├── echo_boolean.php
    ├── empty.php
    ├── heredoc.php
    ├── inf.php
    ├── integer_binary.php
    ├── integer_format.php
    ├── integer_hex.php
    ├── integer_octal.php
    ├── integer_sign.php
    ├── interpolation.php
    ├── interpolation_escape.php
    ├── interpolation_quotes.php
    ├── intval.php
    ├── is_even.php
    ├── isset.php
    ├── keywords.php
    ├── link.php
    ├── link_array.php
    ├── link_null.php
    ├── link_object.php
    ├── link_symbolic.php
    ├── max_int.php
    ├── multi_set.php
    ├── nan.php
    ├── not_exist_var.php
    ├── nowdoc.php
    ├── null.php
    ├── number_set.php
    ├── price_var.php
    ├── print_r.php
    ├── print_r_return.php
    ├── quotes.php
    ├── quotes_escape.php
    ├── quotes_unsecape.php
    ├── settype.php
    ├── string.php
    ├── string_chars.rb
    ├── string_index.php
    ├── string_warning.php
    ├── this.php
    ├── type_restriction.php
    ├── unset.php
    ├── var_dump.php
    ├── var_export.php
    └── variable.php


/.gitignore:
--------------------------------------------------------------------------------
 1 | .phpdoc
 2 | .phive
 3 | phpdocs/tools
 4 | phpdocs/docs
 5 | .DS_Store
 6 | inherit/test.log
 7 | 
 8 | vendor
 9 | *.log
10 | 


--------------------------------------------------------------------------------
/arrays/array.php:
--------------------------------------------------------------------------------
1 | <?php
2 | $arr = array('Hello, ', 'world', '!');
3 | echo $arr[0]; // Hello,
4 | echo $arr[1]; // world
5 | echo $arr[2]; // !
6 | 


--------------------------------------------------------------------------------
/arrays/array_cast.php:
--------------------------------------------------------------------------------
1 | <?php
2 | $var = 'Hello, world';
3 | $arr = (array) $var;
4 | echo '<pre>';
5 | print_r($arr);
6 | echo '</pre>';
7 | 


--------------------------------------------------------------------------------
/arrays/array_change_key_case.php:
--------------------------------------------------------------------------------
1 | <?php
2 | $arr = ['FirSt' => 1, 'SecOnd' => 4];
3 | $arr = array_change_key_case($arr, CASE_UPPER);
4 | 
5 | echo '<pre>';
6 | print_r($arr);
7 | echo '</pre>';
8 | 


--------------------------------------------------------------------------------
/arrays/array_chunk.php:
--------------------------------------------------------------------------------
1 | <?php
2 | $arr = ['a', 'b', 'c', 'd', 'e'];
3 | 
4 | echo '<pre>';
5 | print_r(array_chunk($arr, 2));
6 | print_r(array_chunk($arr, 2, true));
7 | echo '</pre>';
8 | 


--------------------------------------------------------------------------------
/arrays/array_count_values.php:
--------------------------------------------------------------------------------
1 | <?php
2 | $array = [1, 'hello', 1, 'world', 'hello'];
3 | $new = array_count_values($array);
4 | 
5 | echo '<pre>';
6 | print_r($new);
7 | echo '</pre>';
8 | 


--------------------------------------------------------------------------------
/arrays/array_eqvl.php:
--------------------------------------------------------------------------------
 1 | <?php
 2 | $fst = [1 => 1, 2 => 2];
 3 | $snd = [1 => 1, 2 => '2'];
 4 | 
 5 | if ($fst == $snd) {
 6 |     echo 'Массивы равны<br />';
 7 | } else {
 8 |     echo 'Массивы не равны<br />';
 9 | }
10 | 
11 | if ($fst === $snd) {
12 |     echo 'Массивы эквивалентны<br />';
13 | } else {
14 |     echo 'Массивы не эквивалентны<br />';
15 | }
16 | 


--------------------------------------------------------------------------------
/arrays/array_fill.php:
--------------------------------------------------------------------------------
1 | <?php
2 | $arr = array_fill(5, 6, 'Hello, world!');
3 | 
4 | echo '<pre>';
5 | print_r($arr);
6 | echo '</pre>';
7 | 


--------------------------------------------------------------------------------
/arrays/array_flip.php:
--------------------------------------------------------------------------------
1 | <?php
2 | $arr = ['a' => 1, 'b' => 1, 'c' => 2];
3 | $trn = array_flip($arr);
4 | 
5 | echo '<pre>';
6 | print_r($trn);
7 | echo '</pre>';
8 | 


--------------------------------------------------------------------------------
/arrays/array_key_exists.php:
--------------------------------------------------------------------------------
1 | <?php
2 | $arr = ['first_numb' => 1, 'second_numb' => 2];
3 | if (array_key_exists('first_numb', $arr)) {
4 |     echo 'ОК';
5 | }
6 | 


--------------------------------------------------------------------------------
/arrays/array_keys.php:
--------------------------------------------------------------------------------
1 | <?php
2 | $arr = [0 => 100, 'color' => 'red'];
3 | $key = array_keys($arr);
4 | 
5 | echo '<pre>';
6 | print_r($key);
7 | echo '</pre>';
8 | 


--------------------------------------------------------------------------------
/arrays/array_keys_search_value.php:
--------------------------------------------------------------------------------
1 | <?php
2 | $arr = ['blue', 'red', 'green', 'blue', 'blue'];
3 | $key = array_keys($arr, 'blue');
4 | 
5 | echo '<pre>';
6 | print_r($key);
7 | echo '</pre>';
8 | 


--------------------------------------------------------------------------------
/arrays/array_merge.php:
--------------------------------------------------------------------------------
1 | <?php
2 | $fst = ['one', 'two'];
3 | $snd = ['three', 'four', 'five'];
4 | $sum = array_merge($fst, $snd);
5 | echo '<pre>';
6 | print_r($sum);
7 | echo '</pre>';
8 | 


--------------------------------------------------------------------------------
/arrays/array_multi.php:
--------------------------------------------------------------------------------
 1 | <?php
 2 | $ships = [
 3 |     'Пассажирские корабли' => ['Лайнер', 'Яхта', 'Паром'],
 4 |     'Военные корабли' => ['Авианосец', 'Линкор', 'Эсминец'],
 5 |     'Грузовые корабли' => ['Сормовский', 'Волго-Дон', 'Окский']
 6 | ];
 7 | echo '<pre>';
 8 | print_r($ships);
 9 | echo '</pre>';
10 | 


--------------------------------------------------------------------------------
/arrays/array_multisort.php:
--------------------------------------------------------------------------------
1 | <?php
2 | $fst = [3, 4, 2, 7, 1, 5];
3 | $snd = ['world', 'Hello', 'yes', 'no', 'apple', 'wet'];
4 | array_multisort($fst, $snd);
5 | echo '<pre>';
6 | print_r($fst);
7 | print_r($snd);
8 | echo '</pre>';
9 | 


--------------------------------------------------------------------------------
/arrays/array_multisort_flags.php:
--------------------------------------------------------------------------------
1 | <?php
2 | $fst = [3, 4, 2, 7, 1, 5];
3 | $snd = ['world', 'Hello', 'yes', 'no', 'apple', 'wet'];
4 | array_multisort($fst, SORT_DESC, SORT_NUMERIC, $snd);
5 | echo '<pre>';
6 | print_r($fst);
7 | print_r($snd);
8 | echo '</pre>';
9 | 


--------------------------------------------------------------------------------
/arrays/array_pop.php:
--------------------------------------------------------------------------------
1 | <?php
2 | $arr = ['красный', 'синий', 'зеленый'];
3 | array_pop($arr);
4 | 
5 | echo '<pre>';
6 | print_r($arr);
7 | echo '</pre>';
8 | 


--------------------------------------------------------------------------------
/arrays/array_push.php:
--------------------------------------------------------------------------------
1 | <?php
2 | $arr = ['красный', 'синий'];
3 | array_push($arr, 'зеленый');
4 | 
5 | echo '<pre>';
6 | print_r($arr);
7 | echo '</pre>';
8 | 


--------------------------------------------------------------------------------
/arrays/array_rand.php:
--------------------------------------------------------------------------------
1 | <?php
2 | $arr = ['синий', 'желтый', 'зеленый', 'красный', 'оранжевый'];
3 | $rand_keys = array_rand($arr, 2);
4 | 
5 | echo '<pre>';
6 | print_r($rand_keys);
7 | echo '</pre>';
8 | 


--------------------------------------------------------------------------------
/arrays/array_search.php:
--------------------------------------------------------------------------------
1 | <?php
2 | $array = [0 => 'blue', 1 => 'red', 2 => 'green', 3 => 'red'];
3 | 
4 | echo array_search('green', $array); // 2
5 | echo array_search('red', $array);   // 1
6 | 


--------------------------------------------------------------------------------
/arrays/array_shift.php:
--------------------------------------------------------------------------------
1 | <?php
2 | $arr = ['красный', 'синий', 'зеленый', 'оранжевый'];
3 | array_shift($arr);
4 | 
5 | echo '<pre>';
6 | print_r($arr);
7 | echo '</pre>';
8 | 


--------------------------------------------------------------------------------
/arrays/array_sum.php:
--------------------------------------------------------------------------------
1 | <?php
2 | $arr = [1, 2, 3, 4, 5];
3 | echo array_sum($arr); // 15
4 | 


--------------------------------------------------------------------------------
/arrays/array_unique.php:
--------------------------------------------------------------------------------
1 | <?php
2 | $arr = ['a' => 'green', 'red', 'b' => 'green', 'blue', 'red'];
3 | $result = array_unique($arr);
4 | 
5 | echo '<pre>';
6 | print_r($result);
7 | echo '</pre>';
8 | 


--------------------------------------------------------------------------------
/arrays/array_unset.php:
--------------------------------------------------------------------------------
 1 | <?php
 2 | $arr = [1, 2, 3, 4, 5];
 3 | 
 4 | // Удаляем третий элемент массива
 5 | unset($arr);
 6 | 
 7 | // Выводим дамп массива
 8 | echo '<pre>';
 9 | print_r($arr); // PHP Warning:  Undefined variable $arr
10 | echo '</pre>';
11 | 


--------------------------------------------------------------------------------
/arrays/array_unshift.php:
--------------------------------------------------------------------------------
1 | <?php
2 | $arr = ['красный', 'синий'];
3 | array_unshift($arr, 'зеленый', 'оранжевый');
4 | 
5 | echo '<pre>';
6 | print_r($arr);
7 | echo '</pre>';
8 | 


--------------------------------------------------------------------------------
/arrays/array_values.php:
--------------------------------------------------------------------------------
1 | <?php
2 | $arr = ['size' => 'XL', 'color' => 'gold'];
3 | $num = array_values($arr);
4 | 
5 | echo '<pre>';
6 | print_r($num);
7 | echo '</pre>';
8 | 


--------------------------------------------------------------------------------
/arrays/asort.php:
--------------------------------------------------------------------------------
 1 | <?php
 2 | $arr = [
 3 |     'a' => 'one',
 4 |     'b' => 'two',
 5 |     'c' => 'three',
 6 |     'd' => 'four'
 7 | ];
 8 | 
 9 | asort($arr);
10 | 
11 | foreach($arr as $key => $val) {
12 |     echo " $key => $val ";
13 | }
14 | 


--------------------------------------------------------------------------------
/arrays/assoc.php:
--------------------------------------------------------------------------------
1 | <?php
2 | $arr = ['one' => '1', 'two' => '2'];
3 | echo '<pre>';
4 | print_r($arr);
5 | echo '</pre>';
6 | 


--------------------------------------------------------------------------------
/arrays/assoc_add.php:
--------------------------------------------------------------------------------
1 | <?php
2 | $arr['one'] = '1';
3 | $arr['two'] = '2';
4 | echo '<pre>';
5 | print_r($arr);
6 | echo '</pre>';
7 | 


--------------------------------------------------------------------------------
/arrays/assoc_get.php:
--------------------------------------------------------------------------------
1 | <?php
2 | $arr = ['one' => '1', 'two' => '2'];
3 | echo $arr['one']; // 1
4 | echo '<br />';    // Перевод строки
5 | echo $arr['two']; // 2
6 | 


--------------------------------------------------------------------------------
/arrays/assoc_same_keys.php:
--------------------------------------------------------------------------------
1 | <?php
2 | $arr = ['one' => '1', 'two' => '2', 'two' => '3'];
3 | echo $arr['one']; // 1
4 | echo '<br />';
5 | echo $arr['two']; // 3
6 | 


--------------------------------------------------------------------------------
/arrays/brackets.php:
--------------------------------------------------------------------------------
1 | <?php
2 | // Создает пустой массив $arr
3 | $arr = [];
4 | // Создает такой же массив, как в предыдущем примере с именами
5 | $arr = ['Hello, ', 'world', '!'];
6 | 


--------------------------------------------------------------------------------
/arrays/count.php:
--------------------------------------------------------------------------------
1 | <?php
2 | $langs = ['PHP', 'Python', 'Ruby', 'JavaScript'];
3 | echo count($langs); // 4
4 | 


--------------------------------------------------------------------------------
/arrays/count_multi.php:
--------------------------------------------------------------------------------
1 | <?php
2 | $arr = [
3 |            [1, 2, 3, 4],
4 |            [5, 6, 7, 8]
5 |        ];
6 | echo count($arr);    // 2
7 | echo count($arr[0]); // 4
8 | 


--------------------------------------------------------------------------------
/arrays/count_recursive.php:
--------------------------------------------------------------------------------
1 | <?php
2 | $arr = [
3 |            [1, 2, 3, 4],
4 |            [5, 6, 7, 8]
5 |        ];
6 | echo count($arr, COUNT_RECURSIVE); // 10
7 | 


--------------------------------------------------------------------------------
/arrays/curly_brackets.php:
--------------------------------------------------------------------------------
1 | <?php
2 | $arr['one'] = 14;
3 | echo "Событие произошло {$arr['one']} дней назад";
4 | // Событие произошло 14 дней назад
5 | 


--------------------------------------------------------------------------------
/arrays/for.php:
--------------------------------------------------------------------------------
1 | <?php
2 | $numbers = ['1', '2', '3'];
3 | for ($i = 0; $i < count($numbers); $i++) {
4 |     echo $numbers[$i];
5 | }
6 | 


--------------------------------------------------------------------------------
/arrays/foreach.php:
--------------------------------------------------------------------------------
 1 | <?php
 2 | $arr = [
 3 |     'first' => '1',
 4 |     'second' => '2',
 5 |     'third' => '3'
 6 | ];
 7 | foreach ($arr as $index => $val) {
 8 |     echo "$index = $val <br />";
 9 | }
10 | 


--------------------------------------------------------------------------------
/arrays/foreach_alter.php:
--------------------------------------------------------------------------------
 1 | <?php
 2 | $arr = [
 3 |     'first' => '1',
 4 |     'second' => '2',
 5 |     'third' => '3'
 6 | ];
 7 | foreach ($arr as $val) {
 8 |     echo $val; // 123
 9 | }
10 | 


--------------------------------------------------------------------------------
/arrays/index.php:
--------------------------------------------------------------------------------
1 | <?php
2 | $arr = [10 => 'Hello, ', 'world', '!'];
3 | echo '<pre>';
4 | print_r($arr);
5 | echo '</pre>';
6 | 


--------------------------------------------------------------------------------
/arrays/index_auto.php:
--------------------------------------------------------------------------------
1 | <?php
2 | $arr[] = 'Hello, ';
3 | $arr[] = 'world';
4 | $arr[] = '!';
5 | echo '<pre>';
6 | print_r($arr);
7 | echo '</pre>';
8 | 


--------------------------------------------------------------------------------
/arrays/indexes.php:
--------------------------------------------------------------------------------
1 | <?php
2 | $arr = [10 => 'Hello, ', 9 => 'world', 8 => '!'];
3 | echo '<pre>';
4 | print_r($arr);
5 | echo '</pre>';
6 | 


--------------------------------------------------------------------------------
/arrays/indexes_default.php:
--------------------------------------------------------------------------------
1 | <?php
2 | $arr = [10 => 'Hello, ', 9 => 'world', '!'];
3 | echo '<pre>';
4 | print_r($arr);
5 | echo '</pre>';
6 | 


--------------------------------------------------------------------------------
/arrays/inter_multi.php:
--------------------------------------------------------------------------------
1 | <?php
2 | $arr[0][0] = 14;
3 | echo "Событие произошло " . $arr[0][0] . " дней назад<br />";
4 | // Событие произошло 14 дней назад
5 | echo "Событие произошло {$arr[0][0]} дней назад<br />";
6 | // Событие произошло 14 дней назад
7 | 


--------------------------------------------------------------------------------
/arrays/interpolate.php:
--------------------------------------------------------------------------------
1 | <?php
2 | $arr[0] = 14;
3 | echo "Событие произошло $arr[0] дней назад";
4 | // Событие произошло 14 дней назад
5 | 


--------------------------------------------------------------------------------
/arrays/interpolate_assoc.php:
--------------------------------------------------------------------------------
1 | <?php
2 | $arr['one'] = 14;
3 | echo "Событие произошло $arr[one] дней назад";
4 | // Событие произошло 14 дней назад
5 | 


--------------------------------------------------------------------------------
/arrays/is_array.php:
--------------------------------------------------------------------------------
 1 | <?php
 2 | $arr = [1, 2, 3];
 3 | 
 4 | if (is_array($arr)) {
 5 |     echo 'Это массив<br />';
 6 | } else {
 7 |     echo 'Это не массив<br />';
 8 | }
 9 | 
10 | if (is_array($arr[0])) {
11 |     echo 'Это массив<br />';
12 | } else {
13 |     echo 'Это не массив<br />';
14 | }
15 | 


--------------------------------------------------------------------------------
/arrays/isset.php:
--------------------------------------------------------------------------------
 1 | <?php
 2 | $arr = [5 => 1, 2, 3];
 3 | 
 4 | for ($i = 0; $i < 10; $i++) {
 5 |     if (isset($arr[$i])) {
 6 |         echo "Элемент \$arr[$i] существует<br />";
 7 |     } else {
 8 |         echo "Элемент \$arr[$i] не существует<br />";
 9 |     }
10 | }
11 | 


--------------------------------------------------------------------------------
/arrays/ksort.php:
--------------------------------------------------------------------------------
 1 | <?php
 2 | $arr = [
 3 |     'a' => 'one',
 4 |     'd' => 'four',
 5 |     'c' => 'three',
 6 |     'b' => 'two'
 7 | ];
 8 | 
 9 | ksort($arr);
10 | 
11 | foreach($arr as $key => $val) {
12 |     echo " $key => $val ";
13 | }
14 | 


--------------------------------------------------------------------------------
/arrays/list.php:
--------------------------------------------------------------------------------
1 | <?php
2 | $arr = [1, 2, 3];
3 | list($one, $two, $three) = $arr;
4 | echo $one;   // 1
5 | echo $two;   // 2
6 | echo $three; // 3
7 | 


--------------------------------------------------------------------------------
/arrays/list_incomplete.php:
--------------------------------------------------------------------------------
1 | <?php
2 | $arr = [1, 2, 3];
3 | list(, $two) = $arr;
4 | echo $two; // 2
5 | 


--------------------------------------------------------------------------------
/arrays/plus.php:
--------------------------------------------------------------------------------
1 | <?php
2 | $fst = [1 => 'one', 2 => 'two'];
3 | $snd = [3 => 'three', 4 => 'four'];
4 | $sum = $fst + $snd;
5 | echo '<pre>';
6 | print_r($sum);
7 | echo '</pre>';
8 | 


--------------------------------------------------------------------------------
/arrays/plus_alter.php:
--------------------------------------------------------------------------------
1 | <?php
2 | $fst = [0 => 'one', 1 => 'two'];
3 | $snd = [0 => 'three', 1 => 'four', 2 => 'five'];
4 | $sum = $fst + $snd;
5 | echo '<pre>';
6 | print_r($sum);
7 | echo '</pre>';
8 | 


--------------------------------------------------------------------------------
/arrays/print_r.php:
--------------------------------------------------------------------------------
1 | <?php
2 | $arr = array('Hello, ', 'world', '!');
3 | echo '<pre>';
4 | print_r($arr);
5 | echo '</pre>';
6 | 


--------------------------------------------------------------------------------
/arrays/rand.php:
--------------------------------------------------------------------------------
1 | <?php
2 | $arr = [0, 1, 2, 3, 4, 5, 6, 7, 8, 9];
3 | $index = rand(0, count($arr) - 1);
4 | echo $arr[$index];
5 | 


--------------------------------------------------------------------------------
/arrays/range.php:
--------------------------------------------------------------------------------
1 | <?php
2 | $arr = range(0, 1, 0.2);
3 | echo '<pre>';
4 | print_r($arr);
5 | echo '</pre>';
6 | 


--------------------------------------------------------------------------------
/arrays/rsort.php:
--------------------------------------------------------------------------------
1 | <?php
2 | $numbers = ['2', '1', '4', '3','5'];
3 | 
4 | rsort($numbers);
5 | echo '<pre>';
6 | print_r($numbers);
7 | echo '</pre>';
8 | 


--------------------------------------------------------------------------------
/arrays/search_element.php:
--------------------------------------------------------------------------------
1 | <?php
2 | $numbers = [0.57, '21.5', 40.52];
3 | if (in_array(21.5, $numbers)) {
4 |     echo 'Значение 21.5 найдено';
5 | } else {
6 |     echo 'Ничего не найдено';
7 | }
8 | 


--------------------------------------------------------------------------------
/arrays/shuffle.php:
--------------------------------------------------------------------------------
1 | <?php
2 | $arr = [1, 2, 3, 4, 5];
3 | shuffle($arr);
4 | 
5 | echo '<pre>';
6 | print_r($arr);
7 | echo '</pre>';
8 | 


--------------------------------------------------------------------------------
/arrays/sort.php:
--------------------------------------------------------------------------------
 1 | <?php
 2 | $numbers = ['2', '1', '4', '3','5'];
 3 | 
 4 | echo 'до сортировки: <br />';
 5 | echo '<pre>';
 6 | print_r($numbers);
 7 | echo '</pre>';
 8 | 
 9 | sort($numbers);
10 | 
11 | echo 'после сортировки: <br />';
12 | echo '<pre>';
13 | print_r($numbers);
14 | echo '</pre>';
15 | 


--------------------------------------------------------------------------------
/arrays/square.php:
--------------------------------------------------------------------------------
1 | <?php
2 | $arr[10] = 'Hello, ';
3 | $arr[11] = 'world';
4 | $arr[12] = '!';
5 | echo '<pre>';
6 | print_r($arr);
7 | echo '</pre>';
8 | 


--------------------------------------------------------------------------------
/arrays/square_brackets.php:
--------------------------------------------------------------------------------
1 | <?php
2 | $str = 'PHP';
3 | echo $str[0] . '<br />';
4 | echo $str[1] . '<br />';
5 | echo $str[2] . '<br />';
6 | 


--------------------------------------------------------------------------------
/arrays/strict.php:
--------------------------------------------------------------------------------
1 | <?php
2 | $numbers = [0.57, '21.5', 40.52];
3 | if (in_array(21.5, $numbers, true)) {
4 |     echo 'Значение 21.5 найдено';
5 | } else {
6 |     echo 'Ничего не найдено';
7 | }
8 | 


--------------------------------------------------------------------------------
/arrays/unset.php:
--------------------------------------------------------------------------------
 1 | <?php
 2 | $arr = [1, 2, 3, 4, 5];
 3 | 
 4 | // Удаляем третий элемент массива
 5 | unset($arr[2]);
 6 | 
 7 | // Выводим дамп массива
 8 | echo '<pre>';
 9 | print_r($arr);
10 | echo '</pre>';
11 | 


--------------------------------------------------------------------------------
/arrays/vars_exchange.php:
--------------------------------------------------------------------------------
 1 | <?php
 2 | $x = 4;
 3 | $y = 5;
 4 | 
 5 | echo "до:<br />";
 6 | echo "x = $x<br />"; // 4
 7 | echo "y = $y<br />"; // 5
 8 | 
 9 | list($y, $x) = [$x, $y];
10 | 
11 | echo "после:<br />";
12 | echo "x = $x<br />"; // 5
13 | echo "y = $y<br />"; // 4
14 | 


--------------------------------------------------------------------------------
/arrays/vars_exchange_square.php:
--------------------------------------------------------------------------------
 1 | <?php
 2 | $x = 4;
 3 | $y = 5;
 4 | 
 5 | echo "до:<br />";
 6 | echo "x = $x<br />"; // 4
 7 | echo "y = $y<br />"; // 5
 8 | 
 9 | [$y, $x] = [$x, $y];
10 | 
11 | echo "после:<br />";
12 | echo "x = $x<br />"; // 5
13 | echo "y = $y<br />"; // 4
14 | 


--------------------------------------------------------------------------------
/attributes/MVC/page.php:
--------------------------------------------------------------------------------
1 | <?php
2 | namespace MVC;
3 | 
4 | #[model]
5 | #[singleton, mvc]
6 | class Page
7 | {
8 | }
9 | 


--------------------------------------------------------------------------------
/attributes/extract_attribute.php:
--------------------------------------------------------------------------------
 1 | <?php
 2 | spl_autoload_register();
 3 | 
 4 | $reflect = new ReflectionClass(User::class);
 5 | 
 6 | echo '<pre>';
 7 | foreach ($reflect->getAttributes() as $attribute) {
 8 |     echo $attribute->getName() . PHP_EOL;
 9 | }
10 | echo '</pre>';
11 | 


--------------------------------------------------------------------------------
/attributes/extract_page.php:
--------------------------------------------------------------------------------
 1 | <?php
 2 | spl_autoload_register();
 3 | 
 4 | $reflect = new ReflectionClass(MVC\Page::class);
 5 | 
 6 | echo '<pre>';
 7 | foreach ($reflect->getAttributes() as $attribute) {
 8 |     echo $attribute->getName() . PHP_EOL;
 9 | }
10 | echo '</pre>';
11 | 


--------------------------------------------------------------------------------
/attributes/model.php:
--------------------------------------------------------------------------------
 1 | <?php
 2 | spl_autoload_register();
 3 | 
 4 | $reflect = new ReflectionClass(Model\User::class);
 5 | 
 6 | echo '<pre>';
 7 | foreach ($reflect->getAttributes() as $attribute) {
 8 |     echo $attribute->getName() . PHP_EOL;
 9 |     echo $attribute->newInstance()->info() . PHP_EOL;;
10 | }
11 | echo '</pre>';
12 | 


--------------------------------------------------------------------------------
/attributes/user.php:
--------------------------------------------------------------------------------
1 | <?php
2 | #[model]
3 | class User
4 | {
5 | }
6 | 


--------------------------------------------------------------------------------
/classes/class_scope.php:
--------------------------------------------------------------------------------
 1 | <?php
 2 | require 'point.php';
 3 | // class Point
 4 | // {
 5 | //     public $x;
 6 | //     public $y;
 7 | // }
 8 | $point = new Point;
 9 | echo $x; // PHP Warning:  Undefined variable $x
10 | 


--------------------------------------------------------------------------------
/classes/clone.php:
--------------------------------------------------------------------------------
 1 | <?php
 2 | require 'point.php';
 3 | 
 4 | $first = new Point;
 5 | $first->x = 3;
 6 | $first->y = 3;
 7 | 
 8 | $second = clone $first;
 9 | 
10 | $second->x = 5;
11 | $second->y = 5;
12 | 
13 | echo "x: {$first->x}, y: {$first->y}"; // x: 3, y: 3
14 | 


--------------------------------------------------------------------------------
/classes/datetime.php:
--------------------------------------------------------------------------------
1 | <?php
2 | $date = new DateTime();
3 | echo $date->format('d-m-Y H:i:s');
4 | 


--------------------------------------------------------------------------------
/classes/datetime_class.php:
--------------------------------------------------------------------------------
1 | <?php
2 | $date = new DateTime();
3 | echo get_class($date); // DateTime
4 | echo $date::class;     // DateTime
5 | 


--------------------------------------------------------------------------------
/classes/datetime_type.php:
--------------------------------------------------------------------------------
1 | <?php
2 | $date = new DateTime();
3 | echo gettype($date); // object
4 | echo get_class($date); // DateTime
5 | 


--------------------------------------------------------------------------------
/classes/dump.php:
--------------------------------------------------------------------------------
 1 | <?php
 2 | require 'point.php';
 3 | 
 4 | $point = new Point;
 5 | $point->x = 3;
 6 | $point->y = 7;
 7 | 
 8 | echo '<pre>';
 9 | print_r($point);
10 | echo '</pre>';


--------------------------------------------------------------------------------
/classes/links.php:
--------------------------------------------------------------------------------
1 | <?php
2 | $first = 5;
3 | $second = &$first;
4 | $second = 1;
5 | echo $first; // 1
6 | 


--------------------------------------------------------------------------------
/classes/my_class.php:
--------------------------------------------------------------------------------
1 | <?php
2 | class MyClass
3 | {
4 |     // Свойства класса
5 | }
6 | 


--------------------------------------------------------------------------------
/classes/my_static.php:
--------------------------------------------------------------------------------
1 | <?php
2 | class MyStatic
3 | {
4 |     public static $staticvar = 100;
5 | }
6 | 


--------------------------------------------------------------------------------
/classes/objects.php:
--------------------------------------------------------------------------------
 1 | <?php
 2 | require 'point.php';
 3 | 
 4 | $first = new Point;
 5 | $first->x = 3;
 6 | $first->y = 3;
 7 | 
 8 | $second = $first;
 9 | 
10 | $second->x = 5;
11 | $second->y = 5;
12 | 
13 | echo "x: {$first->x}, y: {$first->y}"; // x: 5, y: 5
14 | 


--------------------------------------------------------------------------------
/classes/point.php:
--------------------------------------------------------------------------------
1 | <?php
2 | class Point
3 | {
4 |     public $x;
5 |     public $y;
6 | }
7 | 


--------------------------------------------------------------------------------
/classes/point_distance.php:
--------------------------------------------------------------------------------
 1 | <?php
 2 | require 'point.php';
 3 | 
 4 | $point = new Point;
 5 | $point->x = 'примерно четыре';
 6 | $point->y = 'неизвестно';
 7 | 
 8 | echo ($point->x ** 2 + $point->y ** 2) ** 0.5;
 9 | // PHP Fatal error:  Uncaught TypeError: Unsupported operand types: string ** int
10 | 


--------------------------------------------------------------------------------
/classes/point_null.php:
--------------------------------------------------------------------------------
1 | <?php
2 | require 'point.php';
3 | 
4 | $point = new Point;
5 | var_dump($point->x); // NULL
6 | 


--------------------------------------------------------------------------------
/classes/point_nullable.php:
--------------------------------------------------------------------------------
1 | <?php
2 | class Point
3 | {
4 |     public ?int $x;
5 |     public ?int $y;
6 | }
7 | 


--------------------------------------------------------------------------------
/classes/point_nullable_use.php:
--------------------------------------------------------------------------------
1 | <?php
2 | require 'point_nullable.php';
3 | $point = new Point;
4 | $point->x = null;
5 | $point->y = 3;
6 | var_dump($point->x); // NULL
7 | 


--------------------------------------------------------------------------------
/classes/point_object.php:
--------------------------------------------------------------------------------
 1 | <?php
 2 | require 'point.php';
 3 | 
 4 | $point = new Point;
 5 | 
 6 | $point->x = 5;
 7 | $point->y = 3;
 8 | 
 9 | echo $point->x; // 5
10 | 


--------------------------------------------------------------------------------
/classes/point_type.php:
--------------------------------------------------------------------------------
1 | <?php
2 | class Point
3 | {
4 |     public int $x;
5 |     public int $y;
6 | }
7 | 


--------------------------------------------------------------------------------
/classes/point_type_distance.php:
--------------------------------------------------------------------------------
1 | <?php
2 | require 'point_type.php';
3 | 
4 | $point = new Point;
5 | $point->x = 3;
6 | $point->y = 5;
7 | 
8 | echo ($point->x ** 2 + $point->y ** 2) ** 0.5; // 5.8309518948453
9 | 


--------------------------------------------------------------------------------
/classes/point_type_wrong.php:
--------------------------------------------------------------------------------
1 | <?php
2 | require 'point_type.php';
3 | 
4 | $point = new Point;
5 | $point->x = 'примерно четыре';
6 | // PHP Fatal error:  Uncaught TypeError: Cannot assign string to property Point::$x of type int
7 | 


--------------------------------------------------------------------------------
/classes/point_union.php:
--------------------------------------------------------------------------------
1 | <?php
2 | class Point
3 | {
4 |     public int|float $x;
5 |     public int|float $y;
6 | }
7 | 


--------------------------------------------------------------------------------
/classes/point_union_distance.php:
--------------------------------------------------------------------------------
1 | <?php
2 | require 'point_union.php';
3 | 
4 | $point = new Point;
5 | $point->x = 3.2;
6 | $point->y = 5;
7 | 
8 | echo ($point->x ** 2 + $point->y ** 2) ** 0.5; // 5.9363288318623
9 | 


--------------------------------------------------------------------------------
/classes/point_union_null.php:
--------------------------------------------------------------------------------
1 | <?php
2 | class Point
3 | {
4 |     public int|null $x;
5 |     public int|null $y;
6 | }
7 | 


--------------------------------------------------------------------------------
/classes/point_unrelated.php:
--------------------------------------------------------------------------------
 1 | <?php
 2 | require 'point.php';
 3 | 
 4 | $fst = new Point;
 5 | $fst->x = 3;
 6 | $fst->y = 3;
 7 | 
 8 | $snd = new Point;
 9 | $snd->x = 5;
10 | $snd->y = 5;
11 | 
12 | echo $fst->x; // 3
13 | echo $snd->x; // 5
14 | 


--------------------------------------------------------------------------------
/classes/point_unset.php:
--------------------------------------------------------------------------------
 1 | <?php
 2 | require 'point.php';
 3 | 
 4 | $point = new Point;
 5 | 
 6 | $point->x = 3;
 7 | $point->y = 7;
 8 | 
 9 | // Уничтожение объекта
10 | unset($point);
11 | echo $point->x; // PHP Warning:  Undefined variable $point
12 | 


--------------------------------------------------------------------------------
/classes/point_var.php:
--------------------------------------------------------------------------------
1 | <?php
2 | require 'point.php';
3 | 
4 | $point = new Point();
5 | $point = 3;
6 | 
7 | echo $point; // 3
8 | 


--------------------------------------------------------------------------------
/classes/point_wrong.php:
--------------------------------------------------------------------------------
1 | <?php
2 | require 'point.php';
3 | 
4 | $point = new Point;
5 | $point->x = 'примерно четыре';
6 | $point->y = 'неизвестно';
7 | 
8 | echo $point->x; // примерно четыре
9 | 


--------------------------------------------------------------------------------
/classes/private_point.php:
--------------------------------------------------------------------------------
1 | <?php
2 | class PrivatePoint
3 | {
4 |     public $x;
5 |     private $y;
6 | }
7 | 


--------------------------------------------------------------------------------
/classes/private_point_use.php:
--------------------------------------------------------------------------------
 1 | <?php
 2 | // Подключаем объявление класса
 3 | require_once('private_point.php');
 4 | 
 5 | // Объявляем объект класса PrivatePoint
 6 | $point = new PrivatePoint;
 7 | 
 8 | // Присваиваем значения переменным объекта
 9 | $point->x = 3;
10 | $point->y = 1; // PHP Fatal error:  Uncaught Error: Cannot access private property
11 | 


--------------------------------------------------------------------------------
/classes/readonly.php:
--------------------------------------------------------------------------------
1 | <?php
2 | class Greeting {
3 |     public readonly string $hello;
4 | }
5 | 


--------------------------------------------------------------------------------
/classes/readonly_constructor.php:
--------------------------------------------------------------------------------
1 | <?php
2 | class Greeting {
3 |     public readonly string $hello;
4 |     public function __construct() {
5 |         $this->hello = 'PHP';
6 |    }
7 | }
8 | 


--------------------------------------------------------------------------------
/classes/readonly_constructor_use.php:
--------------------------------------------------------------------------------
1 | <?php
2 | require_once('readonly_constructor.php');
3 | 
4 | $object = new Greeting;
5 | echo $object->hello; // PHP
6 | 


--------------------------------------------------------------------------------
/classes/readonly_mixed.php:
--------------------------------------------------------------------------------
1 | <?php
2 | class Greeting {
3 |     public readonly mixed $hello;
4 | }
5 | 


--------------------------------------------------------------------------------
/classes/readonly_setter.php:
--------------------------------------------------------------------------------
1 | <?php
2 | class Greeting {
3 |     public readonly string $hello;
4 |     public function setter() {
5 |         $this->hello = 'PHP';
6 |    }
7 | }
8 | 


--------------------------------------------------------------------------------
/classes/readonly_setter_use.php:
--------------------------------------------------------------------------------
1 | <?php
2 | require_once('readonly_setter.php');
3 | 
4 | $object = new Greeting;
5 | echo $object->setter();
6 | echo $object->hello; // PHP
7 | 


--------------------------------------------------------------------------------
/classes/readonly_write.php:
--------------------------------------------------------------------------------
1 | <?php
2 | require_once('readonly_constructor.php');
3 | 
4 | $object = new Greeting;
5 | $object->hello = 'world';
6 | // PHP Fatal error:  Uncaught Error: Cannot modify readonly property Greeting::$hello in
7 | 


--------------------------------------------------------------------------------
/classes/readonly_wrong.php:
--------------------------------------------------------------------------------
1 | <?php
2 | require_once('readonly.php');
3 | 
4 | $object = new Greeting;
5 | echo $object->hello;
6 | 


--------------------------------------------------------------------------------
/classes/redeclare.php:
--------------------------------------------------------------------------------
 1 | <?php
 2 | class Point
 3 | {
 4 |     public $x;
 5 |     public $y;
 6 | }
 7 | 
 8 | // PHP Fatal error:  Cannot declare class Point, because the name is already in use
 9 | class Point
10 | {
11 | }
12 | 


--------------------------------------------------------------------------------
/classes/redeclare_require.php:
--------------------------------------------------------------------------------
1 | <?php
2 | require 'point.php';
3 | /*
4 | ...
5 | Очень много кода
6 | ...
7 | */
8 | require 'point.php'; // PHP Fatal error:  Cannot declare class Point
9 | 


--------------------------------------------------------------------------------
/classes/redeclare_require_once.php:
--------------------------------------------------------------------------------
1 | <?php
2 | // Включение файла
3 | require_once 'point.php';
4 | // Все последующие попытки игнорируются
5 | require_once 'point.php';
6 | require_once 'point.php';
7 | 


--------------------------------------------------------------------------------
/classes/static_use.php:
--------------------------------------------------------------------------------
1 | <?php
2 | require_once 'my_static.php';
3 | echo MyStatic::$staticvar; // 100
4 | 


--------------------------------------------------------------------------------
/classes/var.php:
--------------------------------------------------------------------------------
1 | <?php
2 | $first = $second = 1;
3 | $first = 3;
4 | echo $second; // 1
5 | 


--------------------------------------------------------------------------------
/complicated_functions/anonim.php:
--------------------------------------------------------------------------------
 1 | <?php
 2 | $echoList = function (...$str)
 3 | {
 4 |     foreach ($str as $v) {
 5 |         echo "$v<br />\n";
 6 |     }
 7 | };
 8 | 
 9 | $echoList('PHP', 'Python', 'Ruby', 'JavaScript');
10 | 


--------------------------------------------------------------------------------
/complicated_functions/array_filter.php:
--------------------------------------------------------------------------------
 1 | <?php
 2 | function is_odd(int $number) : bool
 3 | {
 4 |     return (bool)($number & 1);
 5 | }
 6 | 
 7 | $odds = array_filter([1, 2, 3, 4, 5], 'is_odd');
 8 | 
 9 | echo '<pre>';
10 | print_r($odds);
11 | echo '</pre>';
12 | 


--------------------------------------------------------------------------------
/complicated_functions/array_map.php:
--------------------------------------------------------------------------------
 1 | <?php
 2 | function cube(int|float $n) : int|float
 3 | {
 4 |   return $n * $n * $n;
 5 | }
 6 | 
 7 | $arr = [1, 2, 3, 4, 5];
 8 | $cub = array_map('cube', $arr);
 9 | 
10 | echo '<pre>';
11 | print_r($cub);
12 | echo '</pre>';
13 | 


--------------------------------------------------------------------------------
/complicated_functions/array_reduce.php:
--------------------------------------------------------------------------------
 1 | <?php
 2 | function oddSquare(array $carry, int $item) : array
 3 | {
 4 |     if (($item & 1)) {
 5 |         $carry[] = $item * $item;
 6 |     }
 7 |     return $carry;
 8 | }
 9 | 
10 | $arr = array_reduce([1, 2, 3, 4, 5], 'oddSquare', []);
11 | 
12 | echo '<pre>';
13 | print_r($arr);
14 | echo '</pre>';
15 | 


--------------------------------------------------------------------------------
/complicated_functions/array_walk.php:
--------------------------------------------------------------------------------
 1 | <?php
 2 | $extensions = [
 3 |     'php' => 'PHP',
 4 |     'py' => 'Python',
 5 |     'rb' => 'Ruby',
 6 |     'js' => 'JavaScript'
 7 | ];
 8 | 
 9 | function print_array(string $item, string $key) : void
10 | {
11 |     echo "$key: $item< /br>" . PHP_EOL;
12 | }
13 | 
14 | array_walk($extensions, 'print_array');
15 | 


--------------------------------------------------------------------------------
/complicated_functions/dynamic.php:
--------------------------------------------------------------------------------
 1 | <?php
 2 | function hello()
 3 | {
 4 |     return 'Hello!';
 5 | }
 6 | function bye()
 7 | {
 8 |     return 'Bye!';
 9 | }
10 | 
11 | $var = rand(0, 1) ? 'hello' : 'bye';
12 | echo $var();
13 | 


--------------------------------------------------------------------------------
/complicated_functions/dynamic_string.php:
--------------------------------------------------------------------------------
1 | <?php
2 | echo 'rand'();
3 | 


--------------------------------------------------------------------------------
/complicated_functions/dynamic_wrong.php:
--------------------------------------------------------------------------------
1 | <?php
2 | $rand = 'rand';
3 | $func = 'not_existed_function';
4 | 
5 | echo $rand(); // 1549131126
6 | echo $func(); // PHP Fatal error: Uncaught Error: Call to undefined function not_existed_function()
7 | 


--------------------------------------------------------------------------------
/complicated_functions/factorial.php:
--------------------------------------------------------------------------------
 1 | <?php
 2 | function multiple(int $carry, int $item) : int
 3 | {
 4 |     return $carry * $item;
 5 | }
 6 | 
 7 | $arr = [1, 2, 3, 4, 5];
 8 | 
 9 | echo array_reduce($arr, 'multiple', $arr[0]); // 120
10 | 


--------------------------------------------------------------------------------
/complicated_functions/fn.php:
--------------------------------------------------------------------------------
1 | <?php
2 | $cub = array_map(fn(int|float $n) => $n * $n * $n, [1, 2, 3, 4, 5]);
3 | 
4 | echo '<pre>';
5 | print_r($cub);
6 | echo '</pre>';
7 | 


--------------------------------------------------------------------------------
/complicated_functions/is_callable.php:
--------------------------------------------------------------------------------
 1 | <?php
 2 | $rand = 'rand';
 3 | $func = 'not_existed_function';
 4 | 
 5 | if(is_callable($rand)) { // true
 6 |     echo $rand();
 7 | }
 8 | 
 9 | if(is_callable($func)) { // false
10 |     echo $func();
11 | }
12 | 


--------------------------------------------------------------------------------
/complicated_functions/point.php:
--------------------------------------------------------------------------------
1 | <?php
2 | class Point
3 | {
4 |     public $x;
5 |     public $y;
6 | }
7 | 


--------------------------------------------------------------------------------
/complicated_functions/recursive.php:
--------------------------------------------------------------------------------
1 | <?php
2 | function factorial(int $number): int
3 | {
4 |     if ($number <= 1) return 1;
5 |     return $number * factorial($number - 1);
6 | }
7 |  
8 | echo factorial(5); // 120
9 | 


--------------------------------------------------------------------------------
/complicated_functions/recursive_wrong.php:
--------------------------------------------------------------------------------
1 | <?php
2 | function factorial(int $number): int
3 | {
4 |     return $number * factorial($number - 1);
5 | }
6 |  
7 | echo factorial(5);
8 | 


--------------------------------------------------------------------------------
/complicated_functions/sqrt.php:
--------------------------------------------------------------------------------
 1 | <?php
 2 | echo sqrt(4) . '<br />'; // 2
 3 | 
 4 | $result = sqrt(4);
 5 | echo "$result<br />"; // 2
 6 | 
 7 | $x = 3;
 8 | $y = 5;
 9 | $distance = sqrt($x * $x + $y * $y);
10 | echo $distance; // 5.8309518948453
11 | 


--------------------------------------------------------------------------------
/components/pager_use/composer.json:
--------------------------------------------------------------------------------
1 | {
2 |     "require": {
3 |         "igorsimdyanov/pager": "*"
4 |     }
5 | }


--------------------------------------------------------------------------------
/components/photos/s_20040815135808.jpg:
--------------------------------------------------------------------------------
https://raw.githubusercontent.com/igorsimdyanov/php8/cf241f08acb0aeb303c91e4ac2abd180ec29c0ca/components/photos/s_20040815135808.jpg


--------------------------------------------------------------------------------
/components/photos/s_20040815135939.JPG:
--------------------------------------------------------------------------------
https://raw.githubusercontent.com/igorsimdyanov/php8/cf241f08acb0aeb303c91e4ac2abd180ec29c0ca/components/photos/s_20040815135939.JPG


--------------------------------------------------------------------------------
/components/photos/s_20040815140021.JPG:
--------------------------------------------------------------------------------
https://raw.githubusercontent.com/igorsimdyanov/php8/cf241f08acb0aeb303c91e4ac2abd180ec29c0ca/components/photos/s_20040815140021.JPG


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/components/photos/s_20040815140107.JPG:
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https://raw.githubusercontent.com/igorsimdyanov/php8/cf241f08acb0aeb303c91e4ac2abd180ec29c0ca/components/photos/s_20040815140107.JPG


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/components/photos/s_20040815140209.JPG:
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https://raw.githubusercontent.com/igorsimdyanov/php8/cf241f08acb0aeb303c91e4ac2abd180ec29c0ca/components/photos/s_20040815140209.JPG


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/components/photos/s_20040815140411.JPG:
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https://raw.githubusercontent.com/igorsimdyanov/php8/cf241f08acb0aeb303c91e4ac2abd180ec29c0ca/components/photos/s_20040815140411.JPG


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/components/photos/s_20040815140506.JPG:
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https://raw.githubusercontent.com/igorsimdyanov/php8/cf241f08acb0aeb303c91e4ac2abd180ec29c0ca/components/photos/s_20040815140506.JPG


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/components/photos/s_20040815140606.JPG:
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https://raw.githubusercontent.com/igorsimdyanov/php8/cf241f08acb0aeb303c91e4ac2abd180ec29c0ca/components/photos/s_20040815140606.JPG


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/components/photos/s_20040815140809.JPG:
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https://raw.githubusercontent.com/igorsimdyanov/php8/cf241f08acb0aeb303c91e4ac2abd180ec29c0ca/components/photos/s_20040815140809.JPG


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/components/photos/s_20040815141012.JPG:
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https://raw.githubusercontent.com/igorsimdyanov/php8/cf241f08acb0aeb303c91e4ac2abd180ec29c0ca/components/photos/s_20040815141012.JPG


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/components/photos/s_20040815141200.JPG:
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https://raw.githubusercontent.com/igorsimdyanov/php8/cf241f08acb0aeb303c91e4ac2abd180ec29c0ca/components/photos/s_20040815141200.JPG


--------------------------------------------------------------------------------
/composer/monolog/composer.json:
--------------------------------------------------------------------------------
1 | {
2 |     "require": {
3 |         "monolog/monolog": "^3.0"
4 |     }
5 | }
6 | 


--------------------------------------------------------------------------------
/composer/phinx/composer.json:
--------------------------------------------------------------------------------
1 | {
2 |     "require": {
3 |         "robmorgan/phinx": "*"
4 |     }
5 | }
6 | 


--------------------------------------------------------------------------------
/composer/psysh/composer.json:
--------------------------------------------------------------------------------
1 | {
2 |     "require": {
3 |         "monolog/monolog": "3.0.*",
4 |         "psy/psysh": "*"
5 |     }
6 | }
7 | 


--------------------------------------------------------------------------------
/conditions/and.php:
--------------------------------------------------------------------------------
1 | <?php
2 | $fst = rand(0, 1);
3 | $snd = rand(0, 1);
4 | if ($fst == 1 && $snd == 1) {
5 |     echo "Оба значения равны единице: $fst и $snd";
6 | } else {
7 |     echo "Пока не получилось: $fst и $snd";
8 | }
9 | 


--------------------------------------------------------------------------------
/conditions/checker.php:
--------------------------------------------------------------------------------
1 | <?php
2 | file_get_contents('http://php.net') or exit('Ошибка');
3 | // Дальнейшие выражения
4 | // ...
5 | 


--------------------------------------------------------------------------------
/conditions/file_get_contents.php:
--------------------------------------------------------------------------------
1 | <?php
2 | $content = file_get_contents('http://php.net') or exit('Ошибка');
3 | echo $content;
4 | 


--------------------------------------------------------------------------------
/conditions/file_get_contents_or.php:
--------------------------------------------------------------------------------
1 | <?php
2 | ($content = file_get_contents('http://php.net')) || exit('Ошибка');
3 | echo $content;
4 | 


--------------------------------------------------------------------------------
/conditions/goto.php:
--------------------------------------------------------------------------------
1 | <?php
2 | $i = 0;
3 | begin:
4 | $i++;
5 | echo "$i<br />";
6 | if ($i >= 10) goto finish;
7 | goto begin;
8 | finish:
9 | 


--------------------------------------------------------------------------------
/conditions/if.php:
--------------------------------------------------------------------------------
1 | <?php
2 | $number = 4;
3 | if ($number == 4) echo 'Число равно 4';
4 | 


--------------------------------------------------------------------------------
/conditions/if_curly.php:
--------------------------------------------------------------------------------
 1 | <?php
 2 | $rand = rand(1, 10);
 3 | $number = $rand % 2;
 4 | if ($number  == 0) {
 5 |     echo 'Выпало четное число: ';
 6 |     echo $rand;
 7 |     echo '<br />';
 8 | } else {
 9 |     echo 'Выпало нечетное число: ';
10 |     echo $rand;
11 |     echo '<br />';
12 | }
13 | 


--------------------------------------------------------------------------------
/conditions/if_example.php:
--------------------------------------------------------------------------------
1 | <?php
2 | if (rand(1, 10) % 2 == 0) { echo 'Выпало четное число';
3 | } else { echo 'Выпало нечетное число';
4 | }
5 | 


--------------------------------------------------------------------------------
/conditions/match.php:
--------------------------------------------------------------------------------
1 | <?php
2 | $answer = 'yes';
3 | echo match ($answer) {
4 |         'yes' => 'Продолжаем работу!',
5 |         'no' => 'Завершаем работу'
6 |     }; // Продолжаем работу!
7 | 


--------------------------------------------------------------------------------
/conditions/match_error.php:
--------------------------------------------------------------------------------
1 | <?php
2 | $day = match('PHP') {
3 |         'Jan', 'Mar', 'May', 'Jul', 'Aug', 'Oct', 'Dec' => 31,
4 |         'Apr', 'Jun', 'Sep', 'Nov' => 30,
5 |         'Feb' => 28,
6 |     };
7 | echo $day; // PHP Fatal error: Uncaught UnhandledMatchError: Unhandled match case 'PHP'
8 | 


--------------------------------------------------------------------------------
/conditions/match_function_keys.php:
--------------------------------------------------------------------------------
 1 | <?php
 2 | $str = 'Hello, PHP!';
 3 | $arr = [1, 2, 3, 4, 5];
 4 | $obj = new DateTime();
 5 | 
 6 | $arg = 'string';
 7 | echo match($arg) {
 8 |     gettype($str) => $str,
 9 |     gettype($arr) => print_r($arr),
10 |     gettype($obj) => var_dump($obj)
11 | }; // Hello, PHP!
12 | 


--------------------------------------------------------------------------------
/conditions/match_multi_keys.php:
--------------------------------------------------------------------------------
1 | <?php
2 | $date = new DateTime();
3 | $day = match($date->format('M')) {
4 |         'Jan', 'Mar', 'May', 'Jul', 'Aug', 'Oct', 'Dec' => 31,
5 |         'Apr', 'Jun', 'Sep', 'Nov' => 30,
6 |         'Feb' => 28,
7 |     };
8 | echo $day;
9 | 


--------------------------------------------------------------------------------
/conditions/or.php:
--------------------------------------------------------------------------------
1 | <?php
2 | $fst = rand(0, 1);
3 | $snd = rand(0, 1);
4 | if ($fst == 1 || $snd == 1) {
5 |     echo "Одно из значений равно единице: $fst и $snd";
6 | } else {
7 |     echo "Пока не получилось: $fst и $snd";
8 | }
9 | 


--------------------------------------------------------------------------------
/conditions/or_success.php:
--------------------------------------------------------------------------------
1 | <?php
2 | if (file_get_contents('http://php.net')) {
3 |     echo '<p>Имеется сетевой доступ<p>';
4 | }
5 | 


--------------------------------------------------------------------------------
/conditions/or_wrong.php:
--------------------------------------------------------------------------------
1 | <?php
2 | if (file_get_contents('http://php.net')) {
3 | 
4 | } else {
5 |     echo '<p>Отсутствует сетевой доступ<p>';
6 | }
7 | 


--------------------------------------------------------------------------------
/conditions/oralt.php:
--------------------------------------------------------------------------------
1 | <?php
2 | $fst = rand(0, 1);
3 | $snd = rand(0, 1);
4 | if ($fst == 1 or $snd == 1) {
5 |     echo "Одно из значений равно единице: $fst и $snd";
6 | } else {
7 |     echo "Пока не получилось: $fst и $snd";
8 | }
9 | 


--------------------------------------------------------------------------------
/conditions/switch.php:
--------------------------------------------------------------------------------
 1 | <?php
 2 | $answer = 'yes';
 3 | switch($answer)
 4 | {
 5 |     case 'yes':
 6 |         echo 'Продолжаем работу!';
 7 |         break;
 8 |     case 'no':
 9 |         echo 'Завершаем работу';
10 |         break;
11 |     default:
12 |         echo 'Некорректный ввод';
13 | }
14 | 


--------------------------------------------------------------------------------
/conditions/switch_alt.php:
--------------------------------------------------------------------------------
 1 | <?php
 2 | $answer = 'yes';
 3 | switch($answer):
 4 |     case 'yes':
 5 |         echo 'Продолжаем работу!';
 6 |         break;
 7 |     case 'no':
 8 |         echo 'Завершаем работу';
 9 |         break;
10 |     default:
11 |         echo 'Некорректный ввод';
12 | endswitch;
13 | 


--------------------------------------------------------------------------------
/conditions/switch_ifelseif.php:
--------------------------------------------------------------------------------
 1 | <?php
 2 | $answer = 'yes';
 3 | if ($answer == 'yes') {
 4 |     echo 'Продолжаем работу!';
 5 | } elseif ($answer == 'no') {
 6 |     echo 'Завершаем работу';
 7 | } else {
 8 |     echo 'Некорректный ввод';
 9 | }
10 | 


--------------------------------------------------------------------------------
/conditions/tern.php:
--------------------------------------------------------------------------------
1 | <?php
2 | $x = $x ?: 1;
3 | echo $x; // 1
4 | 


--------------------------------------------------------------------------------
/conditions/tern_isset.php:
--------------------------------------------------------------------------------
1 | <?php
2 | $x = isset($x) ?: 1;
3 | echo $x; // 1
4 | 


--------------------------------------------------------------------------------
/conditions/ternary.php:
--------------------------------------------------------------------------------
1 | <?php
2 | $x = -17;
3 | $x = $x < 0 ? -$x : $x;
4 | echo $x; // 17
5 | 


--------------------------------------------------------------------------------
/conditions/ternary_alt.php:
--------------------------------------------------------------------------------
 1 | <?php
 2 | $y = null;
 3 | $z = 'hello';
 4 | $x = $x ?? 1; // 1
 5 | $y = $y ?? 2; // 2
 6 | $z = $z ?? 'world'; // 'hello'
 7 | 
 8 | echo $x; // 1
 9 | echo $y; // 2
10 | echo $z; // hello
11 | 


--------------------------------------------------------------------------------
/conditions/ternary_alt_after_8.php:
--------------------------------------------------------------------------------
 1 | <?php
 2 | $y = null;
 3 | $z = 'hello';
 4 | $x ??= 1; // 1
 5 | $y ??= 2; // 2
 6 | $z ??= 'world'; // 'hello'
 7 | 
 8 | echo $x; // 1
 9 | echo $y; // 2
10 | echo $z; // hello
11 | 


--------------------------------------------------------------------------------
/constants/centimeter.php:
--------------------------------------------------------------------------------
1 | <?php
2 | class Centimeter {
3 |     private const METER = 1_000;
4 |     private const YARD = 914;
5 |     private const FOOT = 305;
6 |     private const NAUTICAL_MILE = 1_852_000;
7 | }
8 | 


--------------------------------------------------------------------------------
/constants/centimeter_wrong.php:
--------------------------------------------------------------------------------
1 | <?php
2 | require_once('centimeter.php');
3 | 
4 | echo Centimeter::NAUTICAL_MILE;
5 | 


--------------------------------------------------------------------------------
/constants/constant.php:
--------------------------------------------------------------------------------
1 | <?php
2 | // Определяем константу VALUE
3 | define('VALUE', 1);
4 | 
5 | // Прямое обращение к константе
6 | echo VALUE; // 1
7 | // Получение значение константы через функцию constant()
8 | echo constant('VALUE'); // 1
9 | 


--------------------------------------------------------------------------------
/constants/constant_class.php:
--------------------------------------------------------------------------------
1 | <?php
2 | class ConstantClass
3 | {
4 |     const NAME = 'cls';
5 | }
6 | 


--------------------------------------------------------------------------------
/constants/constant_dynamic.php:
--------------------------------------------------------------------------------
 1 | <?php
 2 | // Формируем случайное число от 1 до 10
 3 | $index = rand(1, 10);
 4 | // Формируем имя константы
 5 | $name = "VALUE{$index}";
 6 | 
 7 | // Определяем константу с динамическим именем
 8 | define($name, 1);
 9 | 
10 | // Получаем значение константы
11 | echo constant($name);
12 | 


--------------------------------------------------------------------------------
/constants/define.php:
--------------------------------------------------------------------------------
1 | <?php
2 | define('PI', 3.1415926535898);
3 | define('VALUE', 'Hello, world!');
4 | echo sin(PI / 4); // 0.70710678118655
5 | echo VALUE;       // Hello, world!
6 | echo Number;      // PHP Fatal error:  Uncaught Error:
7 |                   // Undefined constant "Number"
8 | 


--------------------------------------------------------------------------------
/constants/define_object.php:
--------------------------------------------------------------------------------
1 | <?php
2 | define('START_TIME', new DateTime());
3 | echo START_TIME->format('d-m-Y H:i:s'); // 23-04-2022 13:42:56
4 | 


--------------------------------------------------------------------------------
/constants/defined.php:
--------------------------------------------------------------------------------
1 | <?php
2 | // Определяем константу
3 | define('VALUE', 1);
4 | 
5 | // Если константа существует, выводим ее значение
6 | if (defined('VALUE')) echo VALUE; // 1
7 | 


--------------------------------------------------------------------------------
/constants/pi.php:
--------------------------------------------------------------------------------
1 | <?php
2 | echo "Число пи равно M_PI";    // Число пи равно M_PI
3 | echo "Число пи равно " . M_PI; // Число пи равно 3.1415926535898
4 | 


--------------------------------------------------------------------------------
/constants/pi_downcase.php:
--------------------------------------------------------------------------------
1 | <?php
2 | echo "Число пи равно " . m_pi; // PHP Fatal error:  Uncaught Error: Undefined constant "m_pi"
3 | 


--------------------------------------------------------------------------------
/constants/pre_const.php:
--------------------------------------------------------------------------------
1 | <?php
2 | echo 'Имя файла ' . __FILE__ . '<br />';
3 | echo 'Строка ' . __LINE__;
4 | 


--------------------------------------------------------------------------------
/constants/redefine.php:
--------------------------------------------------------------------------------
1 | <?php
2 | define('VALUE', 'Hello, world!');
3 | define("VALUE", 1); // PHP Warning:  Constant VALUE already defined
4 | echo VALUE;         // Hello, world!
5 | 


--------------------------------------------------------------------------------
/date/date.php:
--------------------------------------------------------------------------------
1 | <?php
2 | echo date('l dS of F Y h:i:s A<br />');
3 | echo date('Сегодня d.m.Y<br />');
4 | echo date('Этот файл датирован d.m.Y<br />', filectime(__FILE__));
5 | 


--------------------------------------------------------------------------------
/date/date_default_timezone_set.php:
--------------------------------------------------------------------------------
1 | <?php
2 | echo date('d.m.Y H:i:s');                   // 15.05.2022 16:10:10
3 | date_default_timezone_set('Europe/Moscow');
4 | echo '<br />' . PHP_EOL;
5 | echo date('d.m.Y H:i:s');                   // 15.05.2022 19:10:10
6 | 


--------------------------------------------------------------------------------
/date/dateinterval.php:
--------------------------------------------------------------------------------
1 | <?php
2 | $nowdate = new DateTime();
3 | $date = $nowdate->sub(new DateInterval('P3Y1M14DT12H19M2S'));
4 | echo $date->format('Y-m-d H:i:s');
5 | 


--------------------------------------------------------------------------------
/date/dateperiod.php:
--------------------------------------------------------------------------------
1 | <?php
2 | $now = new DateTime();
3 | $step = new DateInterval('P1W');
4 | $period = new DatePeriod($now, $step, 5);
5 | 
6 | foreach($period as $datetime) {
7 |     echo $datetime->format('Y-m-d' . PHP_EOL);
8 | }
9 | 


--------------------------------------------------------------------------------
/date/datetime.php:
--------------------------------------------------------------------------------
1 | <?php
2 | $date = new DateTime();
3 | echo $date->format('d-m-Y H:i:s'); // 16-05-2022 19:04:20
4 | 


--------------------------------------------------------------------------------
/date/datetime_rss.php:
--------------------------------------------------------------------------------
1 | <?php
2 | $date = new DateTime('2023-01-01 00:00:00');
3 | echo $date->format(DateTime::RSS); // Sun, 01 Jan 2023 00:00:00 +0000
4 | 


--------------------------------------------------------------------------------
/date/datetime_set.php:
--------------------------------------------------------------------------------
1 | <?php
2 | $date = new DateTime('2023-01-01 00:00:00');
3 | echo $date->format('d.m.Y H:i:s'); // 01.01.2023 00:00:00
4 | 


--------------------------------------------------------------------------------
/date/datetime_zone.php:
--------------------------------------------------------------------------------
1 | <?php
2 | $date = new DateTime('2023-01-01 00:00:00',
3 |                      new DateTimeZone('Europe/Moscow'));
4 | echo $date->format('d.m.Y H:i:s P'); // 01.01.2023 00:00:00 +03:00
5 | 


--------------------------------------------------------------------------------
/date/microtime.php:
--------------------------------------------------------------------------------
1 | <?php
2 | echo microtime();      // 0.72600800 1652605301
3 | echo '<br />' . PHP_EOL;
4 | echo microtime(true);  // 1652605301.726
5 | 


--------------------------------------------------------------------------------
/date/microtime_precision.php:
--------------------------------------------------------------------------------
1 | <?php
2 | $time = microtime(true);
3 | printf('С начала эпохи UNIX: %f секунд.<br />', $time);
4 | echo "С начала эпохи UNIX: $time секунд.<br />";
5 | 


--------------------------------------------------------------------------------
/date/microtime_sum.php:
--------------------------------------------------------------------------------
 1 | <?php
 2 | [$frac, $sec] = explode(' ', microtime());
 3 | $time = $frac + $sec;
 4 | 
 5 | echo $sec;              // 1652606425
 6 | echo '<br />' . PHP_EOL;
 7 | echo $frac;             // 0.78298100
 8 | echo '<br />' . PHP_EOL;
 9 | echo $time;             // 1652606425.783
10 | 


--------------------------------------------------------------------------------
/date/mktime.php:
--------------------------------------------------------------------------------
1 | <?php
2 | echo mktime(0, 0, 0, 7, 24, 2022); // 1658620800
3 | 


--------------------------------------------------------------------------------
/date/speed.php:
--------------------------------------------------------------------------------
1 | <?php
2 | define('START_TIME', microtime(true));
3 | 
4 | for ($i = 0; $i < 5; $i++) {
5 |     sleep(1);
6 | }
7 | 
8 | printf('Время работы скрипта: %.5f с', microtime(true) - START_TIME);
9 | 


--------------------------------------------------------------------------------
/date/time.php:
--------------------------------------------------------------------------------
1 | <?php
2 | echo time(); // 1652604785
3 | 


--------------------------------------------------------------------------------
/date/timezone_abbreviations_list.php:
--------------------------------------------------------------------------------
1 | <?php
2 | $arr = timezone_abbreviations_list();
3 | echo '<pre>';
4 | print_r($arr['eest']);
5 | echo '</pre>';
6 | 


--------------------------------------------------------------------------------
/date/timezone_identifiers_list.php:
--------------------------------------------------------------------------------
1 | <?php
2 | echo '<pre>';
3 | print_r(timezone_identifiers_list());
4 | echo '</pre>';
5 | 


--------------------------------------------------------------------------------
/dirs/chdir.php:
--------------------------------------------------------------------------------
1 | <?php
2 | chdir('/var/www/html/test/');
3 | 


--------------------------------------------------------------------------------
/dirs/dir.php:
--------------------------------------------------------------------------------
 1 | <?php
 2 | // Открываем каталог
 3 | $cat = dir('.');
 4 | 
 5 | // Читаем содержимое каталога
 6 | while(($file = $cat->read()) !== false) {
 7 |     echo $file . '<br />';
 8 | }
 9 | 
10 | // Закрываем каталог
11 | $cat->close();
12 | 


--------------------------------------------------------------------------------
/dirs/dir_alter.php:
--------------------------------------------------------------------------------
1 | <?php
2 | $cat = dir('.');
3 | 
4 | while (($file = readdir($cat->handle)) !== false) {
5 |     echo $file . '<br />';
6 | }
7 | 
8 | closedir($cat->handle);
9 | 


--------------------------------------------------------------------------------
/dirs/getcwd.php:
--------------------------------------------------------------------------------
1 | <?php
2 | echo getcwd();
3 | 


--------------------------------------------------------------------------------
/dirs/glob.php:
--------------------------------------------------------------------------------
1 | <?php
2 | echo '<pre>';
3 | print_r(glob("c:/windows/*/*.{exe,ini}", GLOB_BRACE));
4 | echo '</pre>';
5 | 


--------------------------------------------------------------------------------
/dirs/mkdir.php:
--------------------------------------------------------------------------------
1 | <?php
2 | mkdir('test', 0770);
3 | mkdir('/data');
4 | 


--------------------------------------------------------------------------------
/dirs/mkdir_fail.php:
--------------------------------------------------------------------------------
1 | <?php
2 | mkdir('hello/world');
3 | 


--------------------------------------------------------------------------------
/dirs/mkdir_recursive.php:
--------------------------------------------------------------------------------
1 | <?php
2 | mkdir('hello/world', recursive: true);
3 | 


--------------------------------------------------------------------------------
/enums/backend_enum.php:
--------------------------------------------------------------------------------
 1 | <?php 
 2 | interface BackedEnum extends UnitEnum
 3 | {
 4 |     /* Методы */
 5 |     public static from(int|string $value): static
 6 |     public static tryFrom(int|string $value): ?static
 7 |     /* Наследуемые методы */
 8 |     public static UnitEnum::cases(): array
 9 | }
10 | 


--------------------------------------------------------------------------------
/enums/cases.php:
--------------------------------------------------------------------------------
1 | <?php
2 | require_once 'rainbow.php';
3 | 
4 | $col = Rainbow::Green;
5 | echo '<pre>';
6 | print_r($col->cases());
7 | echo '</pre>';
8 | 


--------------------------------------------------------------------------------
/enums/const.php:
--------------------------------------------------------------------------------
 1 | <?php
 2 | enum Rainbow
 3 | {
 4 |     case Red;    // Красный
 5 |     case Оrange; // Оранжевый
 6 |     case Yellow; // Желтый
 7 |     case Green;  // Зеленый
 8 |     case Blue;   // Голубой
 9 |     case Indigo; // Синий
10 |     case Violet; // Фиолетовый
11 | 
12 |     public const Purple = self::Violet;
13 | }
14 | 


--------------------------------------------------------------------------------
/enums/empty_enum.php:
--------------------------------------------------------------------------------
1 | <?php
2 | enum Zero
3 | {
4 | 
5 | }
6 | 


--------------------------------------------------------------------------------
/enums/foreach.php:
--------------------------------------------------------------------------------
1 | <?php
2 | require_once 'rainbow.php';
3 | 
4 | $col = Rainbow::Green;
5 | 
6 | foreach ($col->cases() as $object) {
7 |     echo $object->name . '<br />';
8 | }
9 | 


--------------------------------------------------------------------------------
/enums/foreach_static.php:
--------------------------------------------------------------------------------
1 | <?php
2 | require_once 'rainbow.php';
3 | 
4 | foreach (Rainbow::cases() as $object) {
5 |     echo $object->name . '<br />';
6 | }
7 | 


--------------------------------------------------------------------------------
/enums/from.php:
--------------------------------------------------------------------------------
1 | <?php
2 | require_once 'scalar.php';
3 | 
4 | $col = Rainbow::from('Зеленый');
5 | echo $col->name; // Green
6 | 


--------------------------------------------------------------------------------
/enums/rainbow.php:
--------------------------------------------------------------------------------
 1 | <?php
 2 | enum Rainbow
 3 | {
 4 |     case Red;    // Красный
 5 |     case Оrange; // Оранжевый
 6 |     case Yellow; // Желтый
 7 |     case Green;  // Зеленый
 8 |     case Blue;   // Голубой
 9 |     case Indigo; // Синий
10 |     case Violet; // Фиолетовый
11 | }
12 | 


--------------------------------------------------------------------------------
/enums/rainbow_translate_use.php:
--------------------------------------------------------------------------------
1 | <?php
2 | require_once 'rainbow_translate.php';
3 | 
4 | foreach (Rainbow::cases() as $object) {
5 |     echo 'Перевод для ' . $object->russian() . ': ' .
6 |                           $object->english() . '<br />';
7 | }
8 | 


--------------------------------------------------------------------------------
/enums/scalar.php:
--------------------------------------------------------------------------------
 1 | <?php
 2 | enum Rainbow: string
 3 | {
 4 |     case Red = 'Красный';
 5 |     case Оrange = 'Оранжевый';
 6 |     case Yellow = 'Желтый';
 7 |     case Green = 'Зеленый';
 8 |     case Blue = 'Голубой';
 9 |     case Indigo = 'Синий';
10 |     case Violet = 'Фиолетовый';
11 | }
12 | 


--------------------------------------------------------------------------------
/enums/scalar_type.php:
--------------------------------------------------------------------------------
 1 | <?php
 2 | require_once 'scalar.php';
 3 | 
 4 | function print_color(Rainbow $color) : void
 5 | {
 6 |     echo $color->value;
 7 | }
 8 | 
 9 | $col = Rainbow::Green;
10 | 
11 | echo $col->value;           // Зеленый
12 | echo '<br />' . PHP_EOL;
13 | print_color(Rainbow::Blue); // Голубой
14 | 


--------------------------------------------------------------------------------
/enums/size.php:
--------------------------------------------------------------------------------
1 | <?php
2 | require_once('rainbow_size.php');
3 | 
4 | echo Rainbow::size(); // 7
5 | 


--------------------------------------------------------------------------------
/enums/trait_sizable.php:
--------------------------------------------------------------------------------
1 | <?php
2 | trait Sizable
3 | {
4 |     public static function size(): int
5 |     {
6 |         return count(self::cases());
7 |     }
8 | }
9 | 


--------------------------------------------------------------------------------
/enums/trait_use.php:
--------------------------------------------------------------------------------
1 | <?php
2 | require_once('trait_rainbow.php');
3 | 
4 | echo 'Количество цветов: '. Rainbow::size() . '<br />' . PHP_EOL;
5 | 
6 | foreach (Rainbow::cases() as $object) {
7 |     echo $object->russian() . '<br />' . PHP_EOL;
8 | }
9 | 


--------------------------------------------------------------------------------
/enums/translatable.php:
--------------------------------------------------------------------------------
1 | <?php
2 | interface Tranlatable
3 | {
4 |     public function russian(): string;
5 |     public function english(): string;
6 | }
7 | 


--------------------------------------------------------------------------------
/enums/try_from.php:
--------------------------------------------------------------------------------
1 | <?php
2 | require_once 'scalar.php';
3 | 
4 | $col = Rainbow::tryFrom('Не существующее значение');
5 | echo $col?->name; // null
6 | 


--------------------------------------------------------------------------------
/enums/wrong_value_call.php:
--------------------------------------------------------------------------------
1 | <?php
2 | require_once 'rainbow.php';
3 | 
4 | echo Rainbow::Blue->name;  // Blue
5 | echo Rainbow::Blue->value; // BluePHP Warning:  Undefined property: Rainbow::$value
6 | 


--------------------------------------------------------------------------------
/errors/error.php:
--------------------------------------------------------------------------------
1 | <?php
2 | $str = 'Hello world!';
3 | $str[] = 4;
4 | 


--------------------------------------------------------------------------------
/errors/error_catch.php:
--------------------------------------------------------------------------------
1 | <?php
2 | try {
3 |     $str = 'Hello world!';
4 |     $str[] = 4;
5 | } catch (Error $err) {
6 |     echo 'Попытка обработать ошибку при помощи catch-блока';
7 | }
8 | 


--------------------------------------------------------------------------------
/errors/error_fail_catch.php:
--------------------------------------------------------------------------------
1 | <?php
2 | try {
3 |     $str = 'Hello world!';
4 |     $str[] = 4;
5 | } catch (Exception $exp) {
6 |     echo 'Попытка обработать ошибку при помощи catch-блока';
7 | }
8 | 


--------------------------------------------------------------------------------
/errors/log.php:
--------------------------------------------------------------------------------
1 | <?php
2 | error_reporting(E_ALL);
3 | ini_set('error_log', 'log.txt');
4 | ini_set('log_errors', true);
5 | @filemtime('spoon');
6 | 


--------------------------------------------------------------------------------
/errors/log.txt:
--------------------------------------------------------------------------------
https://raw.githubusercontent.com/igorsimdyanov/php8/cf241f08acb0aeb303c91e4ac2abd180ec29c0ca/errors/log.txt


--------------------------------------------------------------------------------
/errors/php.ini:
--------------------------------------------------------------------------------
1 | ...
2 | error_reporting  =  E_ALL & ~E_NOTICE & ~E_STRICT & ~E_DEPRECATED
3 | ...
4 | 


--------------------------------------------------------------------------------
/errors/trace.php:
--------------------------------------------------------------------------------
 1 | <?php
 2 | function inner($a)
 3 | {
 4 |     // Внутренняя функция
 5 |     echo '<pre>';
 6 |     print_r(debug_backtrace());
 7 |     echo '</pre>';
 8 | }
 9 | 
10 | function outer($x)
11 | {
12 |     // Родительская функция
13 |     inner($x * $x);
14 | }
15 | 
16 | // Главная программа
17 | outer(3);
18 | 


--------------------------------------------------------------------------------
/exceptions/attribute_exception.php:
--------------------------------------------------------------------------------
 1 | <?php
 2 | class AttributeException extends Exception
 3 | {
 4 |     public function __construct(
 5 |         $attribute,
 6 |         $message = 'Атрибут %s не определен'
 7 |     )
 8 |     {
 9 |         $message = sprintf($message, $attribute);
10 |         parent::__construct($message, 1001);
11 |     }
12 | }
13 | 


--------------------------------------------------------------------------------
/exceptions/iface/interfaces.php:
--------------------------------------------------------------------------------
1 | <?php
2 | interface IException {}
3 |     interface IInternalException extends IException {}
4 |         interface IFileException extends IInternalException {}
5 |         interface INetException extends IInternalException {}
6 |     interface IUserException extends IException {}
7 | 


--------------------------------------------------------------------------------
/exceptions/password_exception.php:
--------------------------------------------------------------------------------
 1 | <?php
 2 | class PasswordException extends Exception
 3 | {
 4 |     public function __construct(
 5 |         $message = 'Не допускается прямое обращение к свойству password'
 6 |     )
 7 |     {
 8 |         parent::__construct($message, 1002);
 9 |     }
10 | }
11 | 


--------------------------------------------------------------------------------
/exceptions/tostring.php:
--------------------------------------------------------------------------------
 1 | <?php
 2 | function test($n)
 3 | {
 4 |     $e = new Exception("bang-bang #$n!");
 5 |     echo '<pre>', $e, '</pre>';
 6 | }
 7 | 
 8 | function outer() { test(101); }
 9 | 
10 | outer();
11 | 


--------------------------------------------------------------------------------
/expr/array_compare.php:
--------------------------------------------------------------------------------
1 | <?php
2 | $x = [1, 2, "3"];
3 | $y = [1, 2, 3];
4 | echo 'Равны ли два массива? ' . ($x == $y);
5 | 


--------------------------------------------------------------------------------
/expr/array_compare_bool.php:
--------------------------------------------------------------------------------
1 | <?php
2 | $x = [1, 2, true];
3 | $y = [1, 2, 3];
4 | echo 'Равны ли два массива? ' . ($x == $y);
5 | 


--------------------------------------------------------------------------------
/expr/auto_cast.php:
--------------------------------------------------------------------------------
1 | <?php
2 | echo 0 == '0';    // true
3 | echo 0 == '0.0';  // true
4 | echo 0.0 == '0';  // true
5 | echo 0 == 'one';  // false
6 | echo 0 == '';     // false
7 | echo 42 == ' 42'; // true
8 | echo 42 == '42b'; // false
9 | 


--------------------------------------------------------------------------------
/expr/bits_unpack.php:
--------------------------------------------------------------------------------
1 | <?php
2 | echo 'Примитив: ' .       (126076330 & 3) . '<br />';
3 | echo 'Цвет: ' .          ((126076330 & 28) >> 2) . '<br />';
4 | echo 'Угол поворота: ' . ((126076330 & 16352) >> 5) . '<br />';
5 | echo 'Высота: ' .        ((126076330 & 8372224) >> 14) . '<br />';
6 | echo 'Ширина: ' .        ((126076330 & 4286578688) >> 23) . '<br />';
7 | 


--------------------------------------------------------------------------------
/expr/bool.php:
--------------------------------------------------------------------------------
1 | <?php
2 | $hundred = 100;
3 | if ($hundred == 1)    echo 'хм, странно... переменная равна 1!<br />';
4 | if ($hundred == true) echo 'переменная истинна!<br />';
5 | 


--------------------------------------------------------------------------------
/expr/chars_compare.php:
--------------------------------------------------------------------------------
1 | <?php
2 | echo 'a' > 'b'; // false
3 | echo 'a' < 'b'; // true
4 | 


--------------------------------------------------------------------------------
/expr/comma.php:
--------------------------------------------------------------------------------
1 | <?php
2 | $number = 216;
3 | echo 'Сегодня ', $number, ' участников'; // Сегодня 216 участников
4 | 


--------------------------------------------------------------------------------
/expr/concat.php:
--------------------------------------------------------------------------------
1 | <?php
2 | $number = 216;
3 | echo 'Сегодня ' . $number . ' участников'; // Сегодня 216 участников
4 | 


--------------------------------------------------------------------------------
/expr/concat_eq.php:
--------------------------------------------------------------------------------
1 | <?php
2 | $number = 216;
3 | $str = 'Сегодня ';
4 | $str .= $number;
5 | $str .= ' участников';
6 | echo $str; // Сегодня 216 участников
7 | 


--------------------------------------------------------------------------------
/expr/division.php:
--------------------------------------------------------------------------------
1 | <?php
2 | echo 5 / 3; // 1.66666666667
3 | 


--------------------------------------------------------------------------------
/expr/echo_bool.php:
--------------------------------------------------------------------------------
1 | <?php
2 | echo false; // выводит пустую строку, т. е. ничего не выводит
3 | echo true;  // выводит 1
4 | 


--------------------------------------------------------------------------------
/expr/echo_error.php:
--------------------------------------------------------------------------------
1 | <?php
2 | $number = 216;
3 | echo('Сегодня ', $number, ' участников');
4 | // PHP Parse error:  syntax error, unexpected token ","
5 | 


--------------------------------------------------------------------------------
/expr/echo_parentheses.php:
--------------------------------------------------------------------------------
1 | <?php
2 | echo 'Hello, world!';
3 | echo('Hello, world!');
4 | 


--------------------------------------------------------------------------------
/expr/echo_success.php:
--------------------------------------------------------------------------------
1 | <?php
2 | $number = 216;
3 | echo (2 + 3) * (4 + 5); // 45
4 | echo ('Сегодня '), $number, (' участников'); // Сегодня 216 участников
5 | 


--------------------------------------------------------------------------------
/expr/epsilon_compare.php:
--------------------------------------------------------------------------------
1 | <?php
2 | define('FLOAT_EPSILON', 0.000_000_000_01);
3 | 
4 | $fst = 4 / 3 - 1;                      // 0.33333333333333
5 | $snd = 1 / 3;                          // 0.33333333333333
6 | 
7 | echo $fst == $snd;                     // false
8 | echo abs($fst - $snd) < FLOAT_EPSILON; // true
9 | 


--------------------------------------------------------------------------------
/expr/epsilon_compare_if.php:
--------------------------------------------------------------------------------
 1 | <?php
 2 | define('FLOAT_EPSILON', 0.000_000_000_01);
 3 | 
 4 | $fst = 4 / 3 - 1;
 5 | $snd = 1 / 3;
 6 | 
 7 | if (abs($fst - $snd) < FLOAT_EPSILON) {
 8 |     echo 'Числа равны';
 9 | } else {
10 |     echo 'Числа не равны';
11 | }
12 | 


--------------------------------------------------------------------------------
/expr/eq.php:
--------------------------------------------------------------------------------
1 | <?php
2 | $yep  = ['реальность', true];
3 | $nein = ['реальность', 'иллюзорна'];
4 | if ($yep == $nein)  echo 'Два массива равны';
5 | if ($yep === $nein) echo 'Два массива эквивалентны';
6 | 
7 | 


--------------------------------------------------------------------------------
/expr/eq_compare.php:
--------------------------------------------------------------------------------
1 | <?php
2 | $zero = 10;
3 | $tsss = '10';
4 | if ($zero === $tsss) echo 'переменные эквиваленты';
5 | 


--------------------------------------------------------------------------------
/expr/eqobj.php:
--------------------------------------------------------------------------------
1 | <?php
2 | class AgentSmith {}
3 | $smit = new AgentSmith();
4 | $wesson = new AgentSmith();
5 | if ($smit == $wesson)  echo 'Объекты равны';
6 | if ($smit === $wesson) echo 'Объекты эквивалентны';
7 | 


--------------------------------------------------------------------------------
/expr/even_odd.php:
--------------------------------------------------------------------------------
1 | <?php
2 | $number = 5317;
3 | if ($number % 2) echo 'Число не четное';
4 | else echo 'Число четное';
5 | 


--------------------------------------------------------------------------------
/expr/expr_type.php:
--------------------------------------------------------------------------------
1 | <?php
2 | $a = 10 * 20;
3 | $b = "" . (10 * 20);
4 | echo "$a:" . gettype($a) . ", $b:" . gettype($b); // 200:integer, 200:string
5 | 


--------------------------------------------------------------------------------
/expr/float_compare.php:
--------------------------------------------------------------------------------
1 | <?php
2 | $var =  4 / 3 - 1;  // 0.33333333333333
3 | echo $var - 1 / 3;  // -5.5511151231258E-17
4 | echo $var == 1 / 3; // false
5 | 


--------------------------------------------------------------------------------
/expr/increment.php:
--------------------------------------------------------------------------------
1 | <?php
2 | $var = 1;
3 | // префиксная форма:
4 | ++$var;
5 | // постфиксная форма:
6 | $var++;
7 | 


--------------------------------------------------------------------------------
/expr/increment_str.php:
--------------------------------------------------------------------------------
1 | <?php
2 | $var = 'aaa';
3 | echo ++$var; // aab
4 | 
5 | 


--------------------------------------------------------------------------------
/expr/increment_use.php:
--------------------------------------------------------------------------------
1 | <?php
2 | // случай 1 - префиксная форма:
3 | $var = 1;
4 | echo ++$var;  // 2
5 | // случай 2 - постфиксная форма:
6 | $var = 1;
7 | echo $var++;  // 1
8 | 


--------------------------------------------------------------------------------
/expr/int.php:
--------------------------------------------------------------------------------
1 | <?php
2 | echo (int)(5 / 3); // 1
3 | 


--------------------------------------------------------------------------------
/expr/interpolation.php:
--------------------------------------------------------------------------------
1 | <?php
2 | $number = 216;
3 | echo "Сегодня $number участников";
4 | echo "Сегодня {$number} участников";
5 | 


--------------------------------------------------------------------------------
/expr/mod.php:
--------------------------------------------------------------------------------
1 | <?php
2 | echo 5 % 3; // 2
3 | echo 6 % 3; // 0
4 | 


--------------------------------------------------------------------------------
/expr/object_compare.php:
--------------------------------------------------------------------------------
1 | <?php
2 | class AgentSmith {}
3 | $smit = new AgentSmith();
4 | $wesson = new AgentSmith();
5 | echo ($smit == $wesson);
6 | 


--------------------------------------------------------------------------------
/expr/operators.php:
--------------------------------------------------------------------------------
1 | <?php
2 | echo (5 + 3) * (6 + 7); // 104
3 | 


--------------------------------------------------------------------------------
/expr/ord.php:
--------------------------------------------------------------------------------
1 | <?php
2 | echo ord('a'); // 97
3 | echo ord('b'); // 98
4 | 


--------------------------------------------------------------------------------
/expr/precedence_after_8.php:
--------------------------------------------------------------------------------
1 | <?php
2 | echo '2 + 2 = ' . 2 + 2;
3 | 


--------------------------------------------------------------------------------
/expr/precedence_before_8.php:
--------------------------------------------------------------------------------
1 | <?php
2 | echo '2 + 2 = ' . (2 + 2);
3 | // echo ('2 + 2 = ' . 2) + 2;
4 | 


--------------------------------------------------------------------------------
/expr/square.php:
--------------------------------------------------------------------------------
1 | <?php
2 | echo 2 ** 0.5; // 1.4142135623731
3 | 


--------------------------------------------------------------------------------
/expr/string_int_compare.php:
--------------------------------------------------------------------------------
1 | <?php
2 | $int = 10;
3 | $string = '10';
4 | if ($int == $string) echo 'переменные равны';
5 | 


--------------------------------------------------------------------------------
/expr/string_plus.php:
--------------------------------------------------------------------------------
1 | <?php
2 | echo '3.14' + 3.14;
3 | 


--------------------------------------------------------------------------------
/expr/string_plus_error.php:
--------------------------------------------------------------------------------
1 | <?php
2 | echo 'Значение = ' + 3.14;
3 | // PHP Fatal error: Uncaught TypeError: Unsupported operand types: string + float
4 | 


--------------------------------------------------------------------------------
/expr/strings_compare.php:
--------------------------------------------------------------------------------
1 | <?php
2 | echo 'Hello, php!' > 'Hello, world!'; // false
3 | echo 'Hello, php!' < 'Hello, world!'; // true
4 | 


--------------------------------------------------------------------------------
/extensions/phpinfo.php:
--------------------------------------------------------------------------------
1 | <?php
2 | phpinfo();
3 | 


--------------------------------------------------------------------------------
/extensions/precision.php:
--------------------------------------------------------------------------------
1 | <?php
2 | echo 10.23456;
3 | echo '<br />';
4 | echo 10.23456E+20;
5 | 


--------------------------------------------------------------------------------
/extensions/session.php:
--------------------------------------------------------------------------------
1 | <?php
2 | echo 'Hello, world!';
3 | session_start();
4 | 


--------------------------------------------------------------------------------
/files/csv.php:
--------------------------------------------------------------------------------
 1 | <?php
 2 | $f = fopen('file.csv', 'rt') or die('Ошибка!');
 3 | for ($i = 0; $data = fgetcsv($f, 1_000, ';'); $i++) {
 4 |     $num = count($data);
 5 |     echo "<h3>Строка номер $i (полей: $num):</h3>";
 6 |     for ($c = 0; $c < $num; $c++) {
 7 |         print "[$c]: $data[$c]<br />";
 8 |     }
 9 | }
10 | fclose($f);
11 | 


--------------------------------------------------------------------------------
/files/dirname.php:
--------------------------------------------------------------------------------
1 | <?php
2 | echo dirname('usr/opt/local/etc/hosts');     // /usr/opt/local/etc/
3 | echo dirname('/usr/opt/local/etc/hosts', 2); // /usr/opt/local
4 | echo dirname('/usr/opt/local/etc/hosts', 3); // /usr/opt
5 | 


--------------------------------------------------------------------------------
/files/file.ini:
--------------------------------------------------------------------------------
 1 | [File Settings]
 2 | ;File_version=0.2 (PP)
 3 | File_version=7
 4 | Chip=LM9831
 5 | 
 6 | [Scanner Software Settings]
 7 | Crystal_Frequency=48000000
 8 | Scan_Buffer_Mbytes=8 // Scan buffer size in Mbytes
 9 | Min_Buffer_Limit=1   // dont read scan buffer below this point in k bytes
10 | 


--------------------------------------------------------------------------------
/files/file.txt:
--------------------------------------------------------------------------------
https://raw.githubusercontent.com/igorsimdyanov/php8/cf241f08acb0aeb303c91e4ac2abd180ec29c0ca/files/file.txt


--------------------------------------------------------------------------------
/files/ini.php:
--------------------------------------------------------------------------------
1 | <?php
2 | $ini = parse_ini_file('file.ini', true);
3 | 
4 | echo '<pre>';
5 | print_r($ini);
6 | echo '</pre>';
7 | 
8 | echo "Chip: {$ini['File Settings']['Chip']}";
9 | 


--------------------------------------------------------------------------------
/files/slashes.php:
--------------------------------------------------------------------------------
1 | <?php
2 | $path = "c:\windows\system32\drivers\etc\hosts";
3 | echo $path . '<br />'; // казалось бы, правильно...
4 | $path = "c:\non\existent\file";
5 | echo $path . '<br />'; // а вот тут ошибка проявилась!
6 | 


--------------------------------------------------------------------------------
/filters/add_slashes_sanitize.php:
--------------------------------------------------------------------------------
 1 | <?php
 2 | $arr = [
 3 |     'Deb\'s files',
 4 |     'Symbol \\',
 5 |     'print "Hello world!"'
 6 | ];
 7 | 
 8 | echo '<pre>';
 9 | print_r($arr);
10 | echo '<pre>';
11 | 
12 | $result = filter_var_array($arr, FILTER_SANITIZE_ADD_SLASHES);
13 | 
14 | echo '<pre>';
15 | print_r($result);
16 | echo '<pre>';
17 | 


--------------------------------------------------------------------------------
/filters/boolean_validate.php:
--------------------------------------------------------------------------------
 1 | <?php
 2 | $arr = [
 3 |     filter_var('yes', FILTER_VALIDATE_BOOL, FILTER_NULL_ON_FAILURE),
 4 |     filter_var('no', FILTER_VALIDATE_BOOL, FILTER_NULL_ON_FAILURE),
 5 |     filter_var('Hello', FILTER_VALIDATE_BOOL, FILTER_NULL_ON_FAILURE)
 6 | ];
 7 | echo '<pre>';
 8 | var_dump($arr);
 9 | echo '</pre>';
10 | 


--------------------------------------------------------------------------------
/filters/callback_sanitize.php:
--------------------------------------------------------------------------------
 1 | <?php
 2 | function filterTags($value)
 3 | {
 4 |     return strip_tags($value);
 5 | }
 6 | 
 7 | $str = <<<HTML
 8 | <h1>Заголовок</h1>
 9 | <p>Первый параграф, посвященный "проверке"</p>
10 | HTML;
11 | 
12 | echo '<pre>';
13 | echo filter_var($str, FILTER_CALLBACK, ['options' => 'filterTags']);
14 | echo '</pre>';
15 | 


--------------------------------------------------------------------------------
/filters/default.php:
--------------------------------------------------------------------------------
 1 | <?php
 2 | $options = [
 3 |     'options' => [
 4 |         'min_range' => -10,
 5 |         'max_range' => 10,
 6 |         'default' => 10
 7 |     ]
 8 | ];
 9 | 
10 | echo filter_var(1000, FILTER_VALIDATE_INT, $options); // 10
11 | 


--------------------------------------------------------------------------------
/filters/email_sanitize.php:
--------------------------------------------------------------------------------
1 | <?php
2 | $correct = 'igorsimdyanov@gmail.com';
3 | $wrong   = 'igorsimdyanov@//gmail.com';
4 | echo filter_var($correct, FILTER_SANITIZE_EMAIL) . '<br />';
5 | echo filter_var($wrong, FILTER_SANITIZE_EMAIL) . '<br />';
6 | 


--------------------------------------------------------------------------------
/filters/email_validate.php:
--------------------------------------------------------------------------------
1 | <?php
2 | $correct = 'igorsimdyanov@gmail.com';
3 | $wrong   = 'igorsimdyanov@//gmail.com';
4 | echo 'correct=' . filter_var($correct, FILTER_VALIDATE_EMAIL) . '<br />';
5 | echo 'wrong=' . filter_var($wrong, FILTER_VALIDATE_EMAIL) . '<br />';
6 | 


--------------------------------------------------------------------------------
/filters/encoded_sanitize.php:
--------------------------------------------------------------------------------
1 | <?php
2 | $url = 'params=Привет мир!';
3 | echo filter_var($url, FILTER_SANITIZE_ENCODED);
4 | // params%3D%D0%9F%D1%80%D0%B8%D0%B2%D0%B5%D1%82%20%D0%BC%D0%B8%D1%80%21
5 | 


--------------------------------------------------------------------------------
/filters/filter_var.php:
--------------------------------------------------------------------------------
1 | <?php
2 | echo filter_var('yes', FILTER_VALIDATE_BOOL) . '<br />';
3 | echo filter_var('3.14', FILTER_VALIDATE_FLOAT) . '<br />';
4 | echo filter_var('https://github.com', FILTER_VALIDATE_URL);
5 | 


--------------------------------------------------------------------------------
/filters/fn_sanitize.php:
--------------------------------------------------------------------------------
 1 | <?php
 2 | $str = <<<HTML
 3 | <h1>Заголовок</h1>
 4 | <p>Первый параграф, посвященный "проверке"</p>
 5 | HTML;
 6 | 
 7 | echo '<pre>';
 8 | echo filter_var(
 9 |     $str,
10 |     FILTER_CALLBACK,
11 |     [
12 |         'options' => fn ($value) => strip_tags($value)
13 |     ]
14 | );
15 | echo '</pre>';
16 | 


--------------------------------------------------------------------------------
/filters/int_float_sanitize.php:
--------------------------------------------------------------------------------
1 | <?php
2 | $number = '3.14';
3 | echo filter_var($number, FILTER_SANITIZE_NUMBER_INT).'<br />'; // 314
4 | echo intval($number);                                          // 3
5 | 


--------------------------------------------------------------------------------
/filters/int_sanitize.php:
--------------------------------------------------------------------------------
1 | <?php
2 | $number = '4342hello';
3 | echo filter_var($number, FILTER_SANITIZE_NUMBER_INT).'<br />'; // 4342
4 | echo intval($number).'<br />';                                 // 4342
5 | 


--------------------------------------------------------------------------------
/filters/special_chars_sanitize.php:
--------------------------------------------------------------------------------
 1 | <?php
 2 | $str = <<<HTML
 3 | <h1>Заголовок</h1>
 4 | <p>Первый параграф, посвященный "проверке"</p>
 5 | HTML;
 6 | 
 7 | echo '<pre>';
 8 | echo filter_var($str, FILTER_SANITIZE_FULL_SPECIAL_CHARS);
 9 | echo '</pre>';
10 | 


--------------------------------------------------------------------------------
/forms/form_first.html:
--------------------------------------------------------------------------------
 1 | <!DOCTYPE html>
 2 | <html lang="ru">
 3 | <head>
 4 |   <title>HTML-форма</title>
 5 |   <meta charset='utf-8' />
 6 | </head>
 7 | <body>
 8 |   <form action='form_first_handler.php' method='post' />
 9 |     <input type='text' name='first' />
10 |     <input type='submit' value='Отправить' />
11 |   </form>
12 | </body>
13 | </html>
14 | 


--------------------------------------------------------------------------------
/forms/form_first_handler.php:
--------------------------------------------------------------------------------
1 | <?php
2 | // Если поле first не заполнено, выводим сообщение об ошибке
3 | if (empty($_POST['first'])) {
4 |     exit('Текстовое поле не заполнено');
5 | } else {
6 |     echo htmlspecialchars($_POST['first']);
7 | }
8 | 


--------------------------------------------------------------------------------
/forms/form_greets_handler.php:
--------------------------------------------------------------------------------
1 | <?php
2 | if(!empty($_POST['name'])) {
3 |     $url = 'greets.php?name=' . urlencode($_POST['name']);
4 |     header("location: $url");
5 |     exit();
6 | }
7 | 


--------------------------------------------------------------------------------
/forms/form_hidden_handler.php:
--------------------------------------------------------------------------------
1 | <?php
2 | echo '<pre>';
3 | print_r($_POST);
4 | echo '</pre>';
5 | 


--------------------------------------------------------------------------------
/forms/get.php:
--------------------------------------------------------------------------------
1 | <?php
2 | echo $_GET['forum_id'];
3 | 


--------------------------------------------------------------------------------
/forms/get_array.php:
--------------------------------------------------------------------------------
1 | <?php
2 | echo '<pre>';
3 | print_r($_GET);
4 | echo '</pre>';
5 | 


--------------------------------------------------------------------------------
/forms/greets.php:
--------------------------------------------------------------------------------
1 | <?php
2 | echo 'Привет, ' . htmlspecialchars($_GET['name'] ?? 'unknown') . '!';
3 | 


--------------------------------------------------------------------------------
/forms/location.php:
--------------------------------------------------------------------------------
1 | <?php
2 | header('location: https://php.net');
3 | 


--------------------------------------------------------------------------------
/forms/parse_url.php:
--------------------------------------------------------------------------------
1 | <?php
2 | $url = 'http://user:pass@www.site.ru/path/index.php?par=value#anch';
3 | $arr = parse_url($url);
4 | 
5 | echo '<pre>';
6 | print_r($arr);
7 | echo '<pre>';
8 | 


--------------------------------------------------------------------------------
/forms/parse_url_short.php:
--------------------------------------------------------------------------------
1 | <?php
2 | $url = 'http://user:pass@www.site.ru/path/index.php?par=value#anch';
3 | echo parse_url($url, PHP_URL_HOST); // www.site.ru
4 | 


--------------------------------------------------------------------------------
/forms/urlencode.php:
--------------------------------------------------------------------------------
1 | <?php
2 | $phrase = urlencode('Привет, мир!');
3 | echo "<a href='test.php?phrase=$phrase'>ссылка</a>";
4 | 


--------------------------------------------------------------------------------
/functions/counter.php:
--------------------------------------------------------------------------------
1 | <?php
2 | function counter()
3 | {
4 |     $counter = 0;
5 |     return ++$counter;
6 | }
7 | 


--------------------------------------------------------------------------------
/functions/counter_static.php:
--------------------------------------------------------------------------------
1 | <?php
2 | function counter()
3 | {
4 |     static $counter = 0;
5 |     return ++$counter;
6 | }
7 | 


--------------------------------------------------------------------------------
/functions/echo.php:
--------------------------------------------------------------------------------
1 | <?php
2 | echo 'PHP', 'Python', 'Ruby', 'JavaScript';
3 | 


--------------------------------------------------------------------------------
/functions/endless.php:
--------------------------------------------------------------------------------
 1 | <?php
 2 | function echoList(...$items)
 3 | {
 4 |     foreach ($items as $v) {
 5 |         echo "$v<br />\n"; // выводим элемент
 6 |     }
 7 | }
 8 | 
 9 | echoList('PHP', 'Python', 'Ruby', 'JavaScript');
10 | 


--------------------------------------------------------------------------------
/functions/explicit.php:
--------------------------------------------------------------------------------
1 | <?php
2 | echo (string)sqrt((int)4.5); // "2"
3 | 


--------------------------------------------------------------------------------
/functions/function_call.php:
--------------------------------------------------------------------------------
1 | <?php
2 | echo convertToGrams();  // 5000
3 | function convertToGrams()
4 | {
5 |     $result = 5 * 1_000;
6 |     return $result;
7 | }
8 | 


--------------------------------------------------------------------------------
/functions/function_cond.php:
--------------------------------------------------------------------------------
 1 | <?php
 2 | // Объявляем функцию convertToGrams() с 50% вероятностью
 3 | if (rand(0, 1) == 1) {
 4 |     function convertToGrams()
 5 |     {
 6 |         $result = 5 * 1_000;
 7 |         echo $result;
 8 |     }
 9 | }
10 | 
11 | echo convertToGrams();
12 | 


--------------------------------------------------------------------------------
/functions/function_curly.php:
--------------------------------------------------------------------------------
 1 | <?php
 2 | echo getSum(); // 15
 3 | {
 4 |     function getSum()
 5 |     {
 6 |         $sum = 10 + 5;
 7 |         return $sum;
 8 |     }
 9 | }
10 | 


--------------------------------------------------------------------------------
/functions/function_declare_error.php:
--------------------------------------------------------------------------------
 1 | <?php
 2 | $flag = true;
 3 | 
 4 | if ($flag) {
 5 |     echo convertToGrams(); // Fatal error: Uncaught Error: Call to undefined function
 6 | }
 7 | 
 8 | if ($flag) {
 9 |     function convertToGrams()
10 |     {
11 |         $result = 5 * 1_000;
12 |         echo $result;
13 |     }
14 | }
15 | 


--------------------------------------------------------------------------------
/functions/function_echo.php:
--------------------------------------------------------------------------------
1 | <?php
2 | function convertToGrams()
3 | {
4 |     $result = 5 * 1_000;
5 |     echo $result;
6 | }
7 | convertToGrams(); // 5000
8 | 


--------------------------------------------------------------------------------
/functions/local.php:
--------------------------------------------------------------------------------
 1 | <?php
 2 | function simple()
 3 | {
 4 |     $i = rand();   // записывает в $i случайное число
 5 |     echo "$i<br />";  // выводит его на экран
 6 |     // Эта $i не имеет к глобальной $i никакого отношения!
 7 | }
 8 | // Выводит в цикле 10 случайных чисел
 9 | for ($i = 0; $i != 10; $i++) simple();
10 | 


--------------------------------------------------------------------------------
/functions/never.php:
--------------------------------------------------------------------------------
1 | <?php
2 | function fail() : never
3 | {
4 |     trigger_error('Эта функция никогда не завершится', E_USER_ERROR);
5 |     // ...
6 | }
7 | 
8 | fail(); // PHP Fatal error:  Эта функция никогда не завершится
9 | 


--------------------------------------------------------------------------------
/functions/nullable.php:
--------------------------------------------------------------------------------
 1 | <?php
 2 | function convert(int $value, ?int $factor) : int
 3 | {
 4 |     $factor ??= 1_000;
 5 |     return $value * $factor;
 6 | }
 7 | 
 8 | echo convert(5, null);  // 5000
 9 | echo '<br />';
10 | echo convert(11, 1024); // 11264
11 | 


--------------------------------------------------------------------------------
/functions/ordinary_endless.php:
--------------------------------------------------------------------------------
 1 | <?php
 2 | function echoList($x, $y, ...$items)
 3 | {
 4 |     echo $x;          // PHP
 5 |     echo $y;          // Python
 6 |     var_dump($items); // ['Ruby', 'JavaScript']
 7 | }
 8 | 
 9 | echoList('PHP', 'Python', 'Ruby', 'JavaScript');
10 | 


--------------------------------------------------------------------------------
/functions/param.php:
--------------------------------------------------------------------------------
1 | <?php
2 | function convertToGrams($value)
3 | {
4 |     $result = $value * 1_000;
5 |     return $result;
6 | }
7 | 
8 | echo convertToGrams(11); // 11000
9 | 


--------------------------------------------------------------------------------
/functions/param_default.php:
--------------------------------------------------------------------------------
 1 | <?php
 2 | function convertToGrams($value, $factor = 1_000)
 3 | {
 4 |     $result = $value * $factor;
 5 |     return $result;
 6 | }
 7 | 
 8 | echo convertToGrams(11); // 11000
 9 | echo '<br />';
10 | echo convertToGrams(11, 1024); // 11264
11 | 


--------------------------------------------------------------------------------
/functions/param_default_error.php:
--------------------------------------------------------------------------------
1 | <?php
2 | function convertToGrams($factor = 1_000, $value)
3 | {
4 |     $result = $value * $factor;
5 |     return $result;
6 | }
7 | 


--------------------------------------------------------------------------------
/functions/param_error.php:
--------------------------------------------------------------------------------
1 | <?php
2 | function convertToGrams($value)
3 | {
4 |     $result = $value * 1_000;
5 |     return $result;
6 | }
7 | 
8 | echo convertToGrams(); // 11000
9 | 


--------------------------------------------------------------------------------
/functions/params.php:
--------------------------------------------------------------------------------
 1 | <?php
 2 | function convertToGrams($value, $factor)
 3 | {
 4 |     $result = $value * $factor;
 5 |     return $result;
 6 | }
 7 | 
 8 | define('BYTES_IN_KBYTES', 1024);
 9 | echo convertToGrams(11, BYTES_IN_KBYTES); // 11264
10 | 


--------------------------------------------------------------------------------
/functions/params_by_ref.php:
--------------------------------------------------------------------------------
 1 | <?php
 2 | function getSum(&$var) // аргумент передается по ссылке
 3 | {
 4 |     $var = $var + 5;
 5 |     return $var;
 6 | }
 7 | 
 8 | $new_var = 20;
 9 | echo getSum($new_var); // выводит 25
10 | echo "<br />$new_var"; // выводит 25
11 | 


--------------------------------------------------------------------------------
/functions/params_by_val.php:
--------------------------------------------------------------------------------
 1 | <?php
 2 | function getSum($var) // аргумент передается по значению
 3 | {
 4 |     $var = $var + 5;
 5 |     return $var;
 6 | }
 7 | 
 8 | $new_var = 20;
 9 | echo getSum($new_var); // 25
10 | echo "<br />$new_var"; // 20
11 | 


--------------------------------------------------------------------------------
/functions/params_comma.php:
--------------------------------------------------------------------------------
 1 | <?php
 2 | function convertToGrams($value, $factor,)
 3 | {
 4 |     $result = $value * $factor;
 5 |     return $result;
 6 | }
 7 | 
 8 | define('BYTES_IN_KBYTES', 1024);
 9 | echo convertToGrams(11, BYTES_IN_KBYTES,); // 11264
10 | 


--------------------------------------------------------------------------------
/functions/params_named.php:
--------------------------------------------------------------------------------
 1 | <?php
 2 | function convertToGrams($value, $factor = 1_000)
 3 | {
 4 |     return $value * $factor;
 5 | }
 6 | 
 7 | echo convertToGrams(value: 5); // 5000
 8 | echo '<br />';
 9 | echo convertToGrams(value: 11, factor: 1_000); // 11000
10 | echo '<br />';
11 | echo convertToGrams(factor: 1024, value: 11); // 11264
12 | 


--------------------------------------------------------------------------------
/functions/params_order.php:
--------------------------------------------------------------------------------
1 | <?php
2 | echo rand(1, max: 10);
3 | 


--------------------------------------------------------------------------------
/functions/rand_named.php:
--------------------------------------------------------------------------------
1 | <?php
2 | echo rand(1, 10);
3 | echo '<br />';
4 | echo rand(min: 1, max: 10);
5 | 


--------------------------------------------------------------------------------
/functions/rand_named_double.php:
--------------------------------------------------------------------------------
1 | <?php
2 | echo rand(max: 1, max: 10);
3 | 


--------------------------------------------------------------------------------
/functions/return.php:
--------------------------------------------------------------------------------
1 | <?php
2 | function convertToGrams()
3 | {
4 |     $result = 5 * 1_000;
5 |     return $result;
6 | }
7 | echo convertToGrams(); // 5000
8 | 


--------------------------------------------------------------------------------
/functions/return_null.php:
--------------------------------------------------------------------------------
1 | <?php
2 | function f() { }
3 | var_dump(f()); // null
4 | 


--------------------------------------------------------------------------------
/functions/return_short.php:
--------------------------------------------------------------------------------
1 | <?php
2 | function convertToGrams()
3 | {
4 |     return 5 * 1_000;
5 | }
6 | echo convertToGrams(); // 5000
7 | 


--------------------------------------------------------------------------------
/functions/sort.php:
--------------------------------------------------------------------------------
1 | <?php
2 | $arr = ['PHP', 'Python', 'Ruby', 'JavaScript'];
3 | 
4 | sort($arr);
5 | 
6 | echo '<pre>';
7 | print_r($arr); // JavaScript, PHP, Python, Ruby
8 | echo '</pre>';
9 | 


--------------------------------------------------------------------------------
/functions/sqrt_gettype.php:
--------------------------------------------------------------------------------
1 | <?php
2 | echo gettype(sqrt(4)); // double
3 | 


--------------------------------------------------------------------------------
/functions/types.php:
--------------------------------------------------------------------------------
 1 | <?php
 2 | function convertToGrams(int $value, int $factor = 1_000) : int
 3 | {
 4 |     return $value * $factor;
 5 | }
 6 | 
 7 | echo convert(11, 1024); // 11264
 8 | echo '<br />';
 9 | echo convert('10.0', 1024.0); // 10240
10 | 


--------------------------------------------------------------------------------
/functions/types_error.php:
--------------------------------------------------------------------------------
 1 | <?php
 2 | declare(strict_types = 1);
 3 | 
 4 | function convert(int $value, int $factor = 1_000) : int
 5 | {
 6 |     return $value * $factor;
 7 | }
 8 | 
 9 | echo convert(11.0, 1024.0);
10 | 


--------------------------------------------------------------------------------
/functions/types_union.php:
--------------------------------------------------------------------------------
 1 | <?php
 2 | declare(strict_types = 1);
 3 | 
 4 | function convert(int|float $value, int|float $factor = 1_000) : int|float
 5 | {
 6 |     return $value * $factor;
 7 | }
 8 | 
 9 | echo convert(11.0, 1024.0); // 11264
10 | 


--------------------------------------------------------------------------------
/functions/unset.php:
--------------------------------------------------------------------------------
 1 | <?php
 2 | $a = 100;
 3 | function test()
 4 | {
 5 |     global $a;
 6 |     unset($a);
 7 | }
 8 | test();
 9 | echo $a; // выводит 100, т. е. настоящая $a не была удалена в test()!
10 | 


--------------------------------------------------------------------------------
/functions/unset_global.php:
--------------------------------------------------------------------------------
 1 | <?php
 2 | function deleter()
 3 | {
 4 |     unset($GLOBALS['a']);
 5 | }
 6 | 
 7 | $a = 100;
 8 | deleter();
 9 | echo $a; // PHP Warning:  Undefined variable $a
10 | 


--------------------------------------------------------------------------------
/functions/void.php:
--------------------------------------------------------------------------------
1 | <?php
2 | function convert(int $value, int $factor = 1_000) : void
3 | {
4 |     echo $value * $factor;
5 | }
6 | 
7 | convert(11); // 11000
8 | 


--------------------------------------------------------------------------------
/gd/button.gif:
--------------------------------------------------------------------------------
https://raw.githubusercontent.com/igorsimdyanov/php8/cf241f08acb0aeb303c91e4ac2abd180ec29c0ca/gd/button.gif


--------------------------------------------------------------------------------
/gd/resample.php:
--------------------------------------------------------------------------------
 1 | <?php
 2 | $from = imageCreateFromJpeg('sample2.jpg');
 3 | $to   = imageCreateTrueColor(2000, 2000);
 4 | imageCopyResampled(
 5 |     $to, $from, 0, 0, 0, 0, imageSX($to), imageSY($to),
 6 |     imageSX($from), imageSY($from)
 7 | );
 8 | header('Content-type: image/jpeg');
 9 | imageJpeg($to);
10 | 


--------------------------------------------------------------------------------
/gd/sample00.gif:
--------------------------------------------------------------------------------
https://raw.githubusercontent.com/igorsimdyanov/php8/cf241f08acb0aeb303c91e4ac2abd180ec29c0ca/gd/sample00.gif


--------------------------------------------------------------------------------
/gd/sample01.gif:
--------------------------------------------------------------------------------
https://raw.githubusercontent.com/igorsimdyanov/php8/cf241f08acb0aeb303c91e4ac2abd180ec29c0ca/gd/sample01.gif


--------------------------------------------------------------------------------
/gd/sample02.png:
--------------------------------------------------------------------------------
https://raw.githubusercontent.com/igorsimdyanov/php8/cf241f08acb0aeb303c91e4ac2abd180ec29c0ca/gd/sample02.png


--------------------------------------------------------------------------------
/gd/sample03.jpg:
--------------------------------------------------------------------------------
https://raw.githubusercontent.com/igorsimdyanov/php8/cf241f08acb0aeb303c91e4ac2abd180ec29c0ca/gd/sample03.jpg


--------------------------------------------------------------------------------
/gd/sample1.jpg:
--------------------------------------------------------------------------------
https://raw.githubusercontent.com/igorsimdyanov/php8/cf241f08acb0aeb303c91e4ac2abd180ec29c0ca/gd/sample1.jpg


--------------------------------------------------------------------------------
/gd/sample2.jpg:
--------------------------------------------------------------------------------
https://raw.githubusercontent.com/igorsimdyanov/php8/cf241f08acb0aeb303c91e4ac2abd180ec29c0ca/gd/sample2.jpg


--------------------------------------------------------------------------------
/gd/sample3.jpg:
--------------------------------------------------------------------------------
https://raw.githubusercontent.com/igorsimdyanov/php8/cf241f08acb0aeb303c91e4ac2abd180ec29c0ca/gd/sample3.jpg


--------------------------------------------------------------------------------
/gd/sample4.jpg:
--------------------------------------------------------------------------------
https://raw.githubusercontent.com/igorsimdyanov/php8/cf241f08acb0aeb303c91e4ac2abd180ec29c0ca/gd/sample4.jpg


--------------------------------------------------------------------------------
/gd/sample5.jpg:
--------------------------------------------------------------------------------
https://raw.githubusercontent.com/igorsimdyanov/php8/cf241f08acb0aeb303c91e4ac2abd180ec29c0ca/gd/sample5.jpg


--------------------------------------------------------------------------------
/gd/times.ttf:
--------------------------------------------------------------------------------
https://raw.githubusercontent.com/igorsimdyanov/php8/cf241f08acb0aeb303c91e4ac2abd180ec29c0ca/gd/times.ttf


--------------------------------------------------------------------------------
/generators/array.php:
--------------------------------------------------------------------------------
1 | <?php
2 | function generator()
3 | {
4 |     yield 1;
5 |     yield from [2, 3];
6 | }
7 | 
8 | foreach (generator() as $i) echo "$i ";
9 | 


--------------------------------------------------------------------------------
/generators/collect.php:
--------------------------------------------------------------------------------
 1 | <?php
 2 | function collect(array $arr, callable $callback)
 3 | {
 4 |     foreach ($arr as $value) {
 5 |         yield $callback($value);
 6 |     }
 7 | }
 8 | 
 9 | $arr = [1, 2, 3, 4, 5, 6];
10 | $collect = collect($arr, fn($e) => $e * $e);
11 | foreach ($collect as $val) {
12 |     echo "$val ";
13 | }
14 | 


--------------------------------------------------------------------------------
/generators/combine_from.php:
--------------------------------------------------------------------------------
 1 | <?php
 2 | function square($value)
 3 | {
 4 |     yield $value * $value;
 5 | }
 6 | 
 7 | function even_square($arr) {
 8 |     foreach ($arr as $value) {
 9 |         if ($value % 2 == 0) yield from square($value);
10 |     }
11 | }
12 | 
13 | $arr = [1, 2, 3, 4, 5, 6];
14 | foreach (even_square($arr) as $val) echo "$val ";
15 | 


--------------------------------------------------------------------------------
/generators/makerange_bad.php:
--------------------------------------------------------------------------------
 1 | <?php
 2 | function crange($size)
 3 | {
 4 |     $arr = [];
 5 |     for ($i = 0; $i < $size; $i++) {
 6 |         $arr[] = $i;
 7 |     }
 8 |     return $arr;
 9 | }
10 | 
11 | $range = crange(1_024_000);
12 | foreach ($range as $i) echo "$i ";
13 | echo '<br />' . PHP_EOL;
14 | echo memory_get_usage();
15 | 


--------------------------------------------------------------------------------
/generators/makerange_good.php:
--------------------------------------------------------------------------------
 1 | <?php
 2 | function crange($size)
 3 | {
 4 |     for ($i = 0; $i < $size; $i++) {
 5 |         yield $i;
 6 |     }
 7 | }
 8 | 
 9 | $range = crange(1024000);
10 | foreach ($range as $i) echo "$i ";
11 | echo '<br />' . PHP_EOL;
12 | echo memory_get_usage();
13 | 


--------------------------------------------------------------------------------
/generators/new.php:
--------------------------------------------------------------------------------
1 | <?php
2 | $generator = new Generator;
3 | 
4 | echo '<pre>';
5 | print_r($generator);
6 | echo '</pre>';
7 | 


--------------------------------------------------------------------------------
/generators/object.php:
--------------------------------------------------------------------------------
 1 | <?php
 2 | function simple(int $from = 0, int $to = 100)
 3 | {
 4 |     for ($i = $from; $i < $to; $i++) {
 5 |         echo "значение = $i<br />";
 6 |         yield $i;
 7 |     }
 8 | }
 9 | 
10 | $generator = simple();
11 | echo gettype($generator); // object
12 | 


--------------------------------------------------------------------------------
/generators/ref.php:
--------------------------------------------------------------------------------
 1 | <?php
 2 | function &reference()
 3 | {
 4 |     $value = 3;
 5 |     while ($value > 0) {
 6 |         yield $value;
 7 |     }
 8 | }
 9 | 
10 | foreach (reference() as &$number) {
11 |     echo (--$number) . ' ';
12 | }
13 | 


--------------------------------------------------------------------------------
/generators/reject.php:
--------------------------------------------------------------------------------
 1 | <?php
 2 | function reject(array $arr, callable $callback)
 3 | {
 4 |     foreach ($arr as $value) {
 5 |         if (!$callback($value)) yield $value;
 6 |     }
 7 | }
 8 | 
 9 | $arr = [1, 2, 3, 4, 5, 6];
10 | $reject = reject($arr, fn($e) => $e % 2 == 0);
11 | foreach ($reject as $val) {
12 |     echo "$val ";
13 | }
14 | 


--------------------------------------------------------------------------------
/generators/select.php:
--------------------------------------------------------------------------------
 1 | <?php
 2 | function select(array $arr, callable $callback)
 3 | {
 4 |     foreach ($arr as $value) {
 5 |         if ($callback($value)) yield $value;
 6 |     }
 7 | }
 8 | 
 9 | $arr = [1, 2, 3, 4, 5, 6];
10 | $select = select($arr, fn($e) => $e % 2 == 0);
11 | foreach ($select as $val) {
12 |     echo "$val ";
13 | }
14 | 


--------------------------------------------------------------------------------
/generators/send.php:
--------------------------------------------------------------------------------
 1 | <?php
 2 | function block()
 3 | {
 4 |     while (true) {
 5 |         $string = yield;
 6 |         echo $string;
 7 |     }
 8 | }
 9 | 
10 | $block = block();
11 | $block->send('Hello, world!<br />');
12 | $block->send('Hello, PHP!<br />');
13 | 


--------------------------------------------------------------------------------
/generators/simple.php:
--------------------------------------------------------------------------------
 1 | <?php
 2 | function simple($from = 0, $to = 100)
 3 | {
 4 |     for ($i = $from; $i < $to; $i++) {
 5 |         echo "значение = $i<br />";
 6 |         yield $i;
 7 |     }
 8 | }
 9 | 
10 | foreach (simple() as $val) {
11 |     echo 'квадрат = ' . ($val * $val) . '<br />';
12 |     if ($val >= 5) break;
13 | }
14 | 


--------------------------------------------------------------------------------
/html/comment.html:
--------------------------------------------------------------------------------
 1 | <!DOCTYPE html>
 2 | <html lang="ru">
 3 |   <head>
 4 |     <meta charset="utf-8" />
 5 |     <title>HTML-комментарий</title>
 6 |   </head>
 7 |   <body>
 8 |     <!-- p>
 9 |       <a href="/hello.html">ссылка на hello.html</a>
10 |     </p -->
11 |   </body>
12 | </html>
13 | 


--------------------------------------------------------------------------------
/html/css.css:
--------------------------------------------------------------------------------
1 | h1 {
2 |   text-align: center;
3 |   color: #2093e5;
4 |   font-size: 20px;
5 | }
6 | 


--------------------------------------------------------------------------------
/html/css.html:
--------------------------------------------------------------------------------
 1 | <!DOCTYPE html>
 2 | <html lang="ru">
 3 |   <head>
 4 |     <meta charset="utf-8" />
 5 |     <title>Использование CSS</title>
 6 |     <link rel="stylesheet" href="css.css" />
 7 |   </head>
 8 |   <body>
 9 |     <h1>Язык разметки HTML</h1>
10 |   </body>
11 | </html>
12 | 


--------------------------------------------------------------------------------
/html/hello.html:
--------------------------------------------------------------------------------
 1 | <!DOCTYPE html>
 2 | <html lang="ru">
 3 |   <head>
 4 |     <meta charset="utf-8" />
 5 |     <title>Привет, HTML!</title>
 6 |   </head>
 7 |   <body>
 8 |     Привет, HTML!
 9 |   </body>
10 | </html>


--------------------------------------------------------------------------------
/html/image.html:
--------------------------------------------------------------------------------
 1 | <!DOCTYPE html>
 2 | <html lang="ru">
 3 |   <head>
 4 |     <meta charset="utf-8" />
 5 |     <title>Вставка изображения</title>
 6 |   </head>
 7 |   <body>
 8 |     <img src="php.png" />
 9 |   </body>
10 | </html>
11 | 


--------------------------------------------------------------------------------
/html/image_height.html:
--------------------------------------------------------------------------------
 1 | <!DOCTYPE html>
 2 | <html lang="ru">
 3 |   <head>
 4 |     <meta charset="utf-8" />
 5 |     <title>Вставка изображения</title>
 6 |   </head>
 7 |   <body>
 8 |     <img src="php.png" height="200" />
 9 |   </body>
10 | </html>
11 | 


--------------------------------------------------------------------------------
/html/link.html:
--------------------------------------------------------------------------------
 1 | <!DOCTYPE html>
 2 | <html lang="ru">
 3 |   <head>
 4 |     <meta charset="utf-8" />
 5 |     <title>HTML-ссылка</title>
 6 |   </head>
 7 |   <body>
 8 |     <p>
 9 |       <a href="/hello.html">ссылка на hello.html</a>
10 |     </p>
11 |   </body>
12 | </html>
13 | 


--------------------------------------------------------------------------------
/html/ol_tag.html:
--------------------------------------------------------------------------------
 1 | <!DOCTYPE html>
 2 | <html lang="ru">
 3 |   <head>
 4 |     <meta charset="utf-8" />
 5 |     <title>Нумерованный список</title>
 6 |   </head>
 7 |   <body>
 8 |     <ol>
 9 |       <li>PHP</li>
10 |       <li>Python</li>
11 |       <li>Ruby</li>
12 |       <li>JavaScript</li>
13 |     </ol>
14 |   </body>
15 | </html>
16 | 


--------------------------------------------------------------------------------
/html/php.png:
--------------------------------------------------------------------------------
https://raw.githubusercontent.com/igorsimdyanov/php8/cf241f08acb0aeb303c91e4ac2abd180ec29c0ca/html/php.png


--------------------------------------------------------------------------------
/html/style.html:
--------------------------------------------------------------------------------
 1 | <!DOCTYPE html>
 2 | <html lang="ru">
 3 |   <head>
 4 |     <meta charset="utf-8" />
 5 |     <title>Использование CSS</title>
 6 |   </head>
 7 |   <body>
 8 |     <h1 style="text-align: center; font-size: 20px;">
 9 |       Язык разметки HTML
10 |     </h1>
11 |   </body>
12 | </html>
13 | 


--------------------------------------------------------------------------------
/html/ul_tag.html:
--------------------------------------------------------------------------------
 1 | <!DOCTYPE html>
 2 | <html lang="ru">
 3 |   <head>
 4 |     <meta charset="utf-8" />
 5 |     <title>Ненумерованный список</title>
 6 |   </head>
 7 |   <body>
 8 |     <ul>
 9 |       <li>PHP</li>
10 |       <li>Python</li>
11 |       <li>Ruby</li>
12 |       <li>JavaScript</li>
13 |     </ul>
14 |   </body>
15 | </html>
16 | 


--------------------------------------------------------------------------------
/inherit/anonym.php:
--------------------------------------------------------------------------------
 1 | <?php
 2 | class Dumper
 3 | {
 4 |     public static function print($obj)
 5 |     {
 6 |         print_r($obj);
 7 |     }
 8 | }
 9 | 
10 | Dumper::print( new class {
11 |     public $title;
12 |     public function __construct()
13 |     {
14 |         $this->title = 'Hello world!';
15 |     }
16 | });
17 | 


--------------------------------------------------------------------------------
/inherit/final.php:
--------------------------------------------------------------------------------
 1 | <?php
 2 | class Base
 3 | {
 4 |     public final function test() {}
 5 | }
 6 | class Derive extends Base
 7 | {
 8 |     public function test() {} // Ошибка! Нельзя переопределить!
 9 | }
10 | 


--------------------------------------------------------------------------------
/inherit/inherit0.php:
--------------------------------------------------------------------------------
1 | <?php
2 | require_once 'file/logger/debug0.php';
3 | 
4 | $logger = new FileLoggerDebug0('test', 'test.log');
5 | $logger->log('Обычное сообщение');
6 | $logger->debug('Отладочное сообщение');
7 | 


--------------------------------------------------------------------------------
/inherit/pages/cached_a.php:
--------------------------------------------------------------------------------
 1 | <?php
 2 | require_once 'page_a.php';
 3 | 
 4 | abstract class Cached extends Page
 5 | {
 6 | 
 7 |     ...
 8 | 
 9 |     // Формируем уникальный ключ для хранилища
10 |     abstract public function id(mixed $name) : string;
11 | 
12 |     ...
13 | 
14 | }
15 | 


--------------------------------------------------------------------------------
/inherit/pages/cast.php:
--------------------------------------------------------------------------------
 1 | <?php
 2 | require_once 'static_page.php';
 3 | 
 4 | function echoPage(Page $obj)
 5 | {
 6 |     $obj->render();
 7 | }
 8 | 
 9 | $shape = new StaticPage(3);
10 | echoPage($shape);
11 | 


--------------------------------------------------------------------------------
/inherit/pages/instanceof.php:
--------------------------------------------------------------------------------
 1 | <?php
 2 | require_once 'static_page.php';
 3 | 
 4 | function echoPage($obj)
 5 | {
 6 |     $class = 'Page';
 7 |     if (!($obj instanceof $class)) {
 8 |         die("Argument 1 must be an instance of $class.<br />");
 9 |     }
10 |     $obj->render();
11 | }
12 | 
13 | $page = new StaticPage(3);
14 | echoPage($page);
15 | 


--------------------------------------------------------------------------------
/inherit/pages/test.php:
--------------------------------------------------------------------------------
1 | <?php
2 | require_once 'static_page.php';
3 | 
4 | $id = 3;
5 | $page = new StaticPage($id);
6 | $page->render();
7 | echo $page->id($id);
8 | 


--------------------------------------------------------------------------------
/install/Dockerfile:
--------------------------------------------------------------------------------
1 | FROM php
2 | 
3 | WORKDIR /app
4 | COPY . /app
5 | CMD ["php", "-S", "0.0.0.0:4000"]
6 | 


--------------------------------------------------------------------------------
/install/index.php:
--------------------------------------------------------------------------------
1 | <?php
2 |     echo "Hello, world!";
3 | ?>
4 | 


--------------------------------------------------------------------------------
/install/index_error.php:
--------------------------------------------------------------------------------
1 | <?php
2 |     echo1 "Hello, world!";
3 | ?>
4 | 


--------------------------------------------------------------------------------
/install/php.php:
--------------------------------------------------------------------------------
1 | <?php
2 |     echo "Hello, php!";
3 | ?>
4 | 


--------------------------------------------------------------------------------
/install/phpcs.phar:
--------------------------------------------------------------------------------
https://raw.githubusercontent.com/igorsimdyanov/php8/cf241f08acb0aeb303c91e4ac2abd180ec29c0ca/install/phpcs.phar


--------------------------------------------------------------------------------
/interfaces/administrator.php:
--------------------------------------------------------------------------------
1 | <?php
2 | require_once 'backenduser.php';
3 | class Administrator extends BackendUser {}
4 | 


--------------------------------------------------------------------------------
/interfaces/article_author_seo_use.php:
--------------------------------------------------------------------------------
1 | <?php
2 | require_once 'article_author_seo.php';
3 | 
4 | $obj = new Article('Заголовок', 'Содержимое');
5 | 
6 | $obj->setAuthor(['Дмитрий Котеров', 'Игорь Симдянов']);
7 | $obj->seo('SEO-заголовок');
8 | echo $obj->title(); // SEO-заголовок
9 | 


--------------------------------------------------------------------------------
/interfaces/article_use.php:
--------------------------------------------------------------------------------
 1 | <?php
 2 | require_once 'article.php';
 3 | 
 4 | $obj = new Article(
 5 |     'Заголовок',
 6 |     'Содержимое',
 7 |     ['Дмитрий Котеров', 'Игорь Симдянов']);
 8 | 
 9 | echo $obj->title; // Заголовок
10 | 


--------------------------------------------------------------------------------
/interfaces/author.php:
--------------------------------------------------------------------------------
1 | <?php
2 | interface Author
3 | {
4 |     public function setAuthor(array $authors) : void;
5 |     public function getAuthor() : array;
6 | }
7 | 


--------------------------------------------------------------------------------
/interfaces/avatar.php:
--------------------------------------------------------------------------------
1 | <?php
2 | interface Avatar
3 | {
4 |     public function setImage(string $path) : void;
5 |     public function getImage() : string;
6 | }
7 | 


--------------------------------------------------------------------------------
/interfaces/backenduser.php:
--------------------------------------------------------------------------------
1 | <?php
2 | require_once 'user.php';
3 | class BackendUser extends User {}
4 | 


--------------------------------------------------------------------------------
/interfaces/editor.php:
--------------------------------------------------------------------------------
1 | <?php
2 | require_once 'backenduser.php';
3 | class Editor extends BackendUser {}
4 | 


--------------------------------------------------------------------------------
/interfaces/frontuser.php:
--------------------------------------------------------------------------------
1 | <?php
2 | require_once 'user.php';
3 | class FrontUser extends User {}
4 | 


--------------------------------------------------------------------------------
/interfaces/frontuser_avatar_use.php:
--------------------------------------------------------------------------------
 1 | <?php
 2 | require_once 'frontuser_avatar.php';
 3 | 
 4 | $user = new FrontUser(
 5 |     'igorsimdyanov@gmail.com',
 6 |     'password',
 7 |     'Игорь',
 8 |     'Симдянов');
 9 | 
10 | $user->setImage('avatar.png');
11 | echo $user->getImage(); // avatar.png
12 | 


--------------------------------------------------------------------------------
/interfaces/image.php:
--------------------------------------------------------------------------------
1 | <?php
2 | interface Image
3 | {
4 |     public function setImage(string $path) : void;
5 |     public function getImage() : string;
6 | }
7 | 


--------------------------------------------------------------------------------
/interfaces/image_avatar.php:
--------------------------------------------------------------------------------
1 | <?php
2 | require_once 'image.php';
3 | interface Avatar extends Image {}
4 | 


--------------------------------------------------------------------------------
/interfaces/image_cover.php:
--------------------------------------------------------------------------------
1 | <?php
2 | require_once 'image.php';
3 | interface Cover extends Image {}
4 | 


--------------------------------------------------------------------------------
/interfaces/instanceof.php:
--------------------------------------------------------------------------------
 1 | <?php
 2 | require_once 'article_author_seo.php';
 3 | 
 4 | $obj = new Article('Заголовок', 'Содержимое');
 5 | 
 6 | if ($obj instanceof Seo) {
 7 |     echo 'Объект реализует интерфейс Seo<br />';
 8 | }
 9 | 
10 | if ($obj instanceof Author) {
11 |     echo 'Объект реализует интерфейс Author<br />';
12 | }
13 | 


--------------------------------------------------------------------------------
/interfaces/moderator.php:
--------------------------------------------------------------------------------
1 | <?php
2 | require_once 'backenduser.php';
3 | class Moderator extends BackendUser {}
4 | 


--------------------------------------------------------------------------------
/interfaces/news.php:
--------------------------------------------------------------------------------
1 | <?php
2 | require_once 'topic.php';
3 | 
4 | class News extends Topic {}
5 | 


--------------------------------------------------------------------------------
/interfaces/seo.php:
--------------------------------------------------------------------------------
 1 | <?php
 2 | interface Seo
 3 | {
 4 |     public function seo(
 5 |         ?string $title,
 6 |         ?string $description,
 7 |         ?array $keywords);
 8 |     public function title() : ?string;
 9 |     public function description() : ?string;
10 |     public function keywords() : ?array;
11 | }
12 | 


--------------------------------------------------------------------------------
/interfaces/user_use.php:
--------------------------------------------------------------------------------
 1 | <?php
 2 | require_once 'user.php';
 3 | 
 4 | $user = new User(
 5 |     'igorsimdyanov@gmail.com',
 6 |     'password',
 7 |     'Игорь',
 8 |     'Симдянов');
 9 | 
10 | echo $user->fullName(); // Игорь Симдянов
11 | 


--------------------------------------------------------------------------------
/iterators/array_access.php:
--------------------------------------------------------------------------------
1 | <?php
2 | interface ArrayAccess
3 | {
4 |     public offsetExists(mixed $offset): bool
5 |     public offsetGet(mixed $offset): mixed
6 |     public offsetSet(mixed $offset, mixed $value): void
7 |     public offsetUnset(mixed $offset): void
8 | }
9 | 


--------------------------------------------------------------------------------
/iterators/directory.php:
--------------------------------------------------------------------------------
1 | <?php
2 | $dir = new DirectoryIterator('.');
3 | foreach ($dir as $file) {
4 |     echo $file . '<br />';
5 | }
6 | 


--------------------------------------------------------------------------------
/iterators/filter.php:
--------------------------------------------------------------------------------
 1 | <?php
 2 | spl_autoload_register();
 3 | 
 4 | $filter = new Iterators\ExtensionFilter(
 5 |                 new DirectoryIterator('.'),
 6 |                 'php'
 7 |               );
 8 | 
 9 | foreach ($filter as $file) {
10 |     echo $file . '<br />';
11 | }
12 | 


--------------------------------------------------------------------------------
/iterators/iter_fs.php:
--------------------------------------------------------------------------------
 1 | <?php
 2 | spl_autoload_register();
 3 | 
 4 | $dir = new Iterators\FSDirectory('.');
 5 | 
 6 | foreach ($dir as $path => $entry) {
 7 |     // Если это файл, а не подкаталог...
 8 |     if ($entry instanceof Iterators\FSFile) {
 9 |         echo "<tt>$path</tt>: " . $entry->getSize() . '<br />';
10 |     }
11 | }
12 | 


--------------------------------------------------------------------------------
/iterators/iterator.php:
--------------------------------------------------------------------------------
1 | <?php
2 | interface Iterator extends Traversable
3 | {
4 |     public current(): mixed
5 |     public key(): mixed
6 |     public next(): void
7 |     public rewind(): void
8 |     public valid(): bool
9 | }


--------------------------------------------------------------------------------
/iterators/iterator_aggregate.php:
--------------------------------------------------------------------------------
1 | <?php
2 | interface IteratorAggregate extends Traversable
3 | {
4 |     public getIterator(): Traversable
5 | }
6 | 


--------------------------------------------------------------------------------
/iterators/iterators/fsfile.php:
--------------------------------------------------------------------------------
 1 | <?php
 2 | namespace Iterators;
 3 | 
 4 | class FSFile
 5 | {
 6 |     public function __construct(public string $path) {}
 7 | 
 8 |     public function getSize() : int
 9 |     {
10 |         return filesize($this->path);
11 |     }
12 |     // Здесь могут быть другие методы
13 | }
14 | 


--------------------------------------------------------------------------------
/iterators/limit.php:
--------------------------------------------------------------------------------
 1 | <?php
 2 | spl_autoload_register();
 3 | 
 4 | $limit = new LimitIterator(
 5 |             new Iterators\ExtensionFilter(
 6 |                 new DirectoryIterator('.'), 'php'
 7 |             ),
 8 |             0,
 9 |             5);
10 | 
11 | foreach ($limit as $file) {
12 |     echo $file . '<br />';
13 | }
14 | 


--------------------------------------------------------------------------------
/iterators/recursion.php:
--------------------------------------------------------------------------------
1 | <?php
2 | $dir = new RecursiveIteratorIterator(
3 |          new RecursiveDirectoryIterator('.'),
4 |          true);
5 | 
6 | foreach ($dir as $file) {
7 |     echo str_repeat('-', $dir->getDepth()) . " $file<br />";
8 | }
9 | 


--------------------------------------------------------------------------------
/iterators/size.php:
--------------------------------------------------------------------------------
1 | <?php
2 | $dir = new DirectoryIterator('.');
3 | 
4 | foreach ($dir as $file) {
5 |     if ($file->isFile()) {
6 |         echo $file . ' ' .$file->getSize() . '<br />';
7 |     }
8 | }
9 | 


--------------------------------------------------------------------------------
/loops/break_inner.php:
--------------------------------------------------------------------------------
 1 | <?php
 2 | $i = 0;
 3 | while (true)
 4 | {
 5 |     while (true)
 6 |     {
 7 |         while (true)
 8 |         {
 9 |             $i++;
10 |             if ($i > 5) break 3;
11 |             echo "$i<br />";
12 |         }
13 |     }
14 | }
15 | 


--------------------------------------------------------------------------------
/loops/break_nested_while.php:
--------------------------------------------------------------------------------
 1 | <?php
 2 | $i = $j = 0;
 3 | while (true) {
 4 |     while (true)
 5 |     {
 6 |         $i++;
 7 |         if ($i > 5) break;
 8 |         echo "$i<br />";
 9 |     }
10 |     $i = 0;
11 |     $j++;
12 |     if ($j > 5) break;
13 | }
14 | 


--------------------------------------------------------------------------------
/loops/break_number.php:
--------------------------------------------------------------------------------
 1 | <?php
 2 | $i = $j = 0;
 3 | while (true) {
 4 |     while (true)
 5 |     {
 6 |         $i++;
 7 |         if ($i > 5) break 1;
 8 |         echo "$i<br />";
 9 |     }
10 |     $i = 0;
11 |     $j++;
12 |     if ($j > 5) break 1;
13 | }
14 | 


--------------------------------------------------------------------------------
/loops/do_while.php:
--------------------------------------------------------------------------------
1 | <?php
2 | $i = 0;
3 | do {
4 |     echo "$i<br />";
5 | } while (++$i <= 5);
6 | 


--------------------------------------------------------------------------------
/loops/for.php:
--------------------------------------------------------------------------------
1 | <?php
2 | for ($i = 0; $i < 5; $i++) {
3 |     echo "$i<br />";
4 | }
5 | 


--------------------------------------------------------------------------------
/loops/for_alter.php:
--------------------------------------------------------------------------------
1 | <?php
2 | for ($i = 0; $i < 5; $i++):
3 |     echo "$i<br />";
4 | endfor;
5 | 


--------------------------------------------------------------------------------
/loops/for_complex.php:
--------------------------------------------------------------------------------
1 | <?php
2 | for ($i = 6, $j = 0;
3 |      $i != $j;
4 |      print "$i - $j", print '<br />', $i--, $j++);
5 | 


--------------------------------------------------------------------------------
/loops/for_decrement.php:
--------------------------------------------------------------------------------
1 | <?php
2 | for ($i = 5; $i; $i--) {
3 |     echo "$i<br />";
4 | }
5 | 


--------------------------------------------------------------------------------
/loops/for_infinitely.php:
--------------------------------------------------------------------------------
1 | <?php
2 | $i = 0;
3 | for (;;) {
4 |     $i++;
5 |     echo "$i<br />";
6 |     if ($i > 5) break;
7 | }
8 | 


--------------------------------------------------------------------------------
/loops/for_one_line.php:
--------------------------------------------------------------------------------
1 | <?php
2 | for ($i = 5; $i; print $i, print '<br />', $i--);
3 | 


--------------------------------------------------------------------------------
/loops/for_step_five.php:
--------------------------------------------------------------------------------
1 | <?php
2 | for ($i = 0; $i <= 100; $i += 5) {
3 |     echo "$i<br />";
4 | }
5 | 


--------------------------------------------------------------------------------
/loops/for_without.php:
--------------------------------------------------------------------------------
1 | <?php
2 | $do_for = true;
3 | $i = 0;
4 | for (; $do_for; ) {
5 |     $i++;
6 |     echo "$i<br />";
7 |     if ($i > 5) $do_for = false;
8 | }
9 | 


--------------------------------------------------------------------------------
/loops/multiplication_table.php:
--------------------------------------------------------------------------------
 1 | <?php
 2 | echo 'Таблица умножения' . PHP_EOL;
 3 | 
 4 | $i = 0;
 5 | define('MAX_NUMBER', 10);
 6 |  
 7 | while ($i < MAX_NUMBER) {
 8 |     $i++;
 9 |     $j = 0;
10 |     while ($j < MAX_NUMBER) {
11 |         $j++;
12 |         echo sprintf('%3d ', $i * $j);
13 |     }
14 |     echo PHP_EOL;
15 | }
16 | 


--------------------------------------------------------------------------------
/loops/prime_number.php:
--------------------------------------------------------------------------------
 1 | <?php
 2 | for ($i = 2; $i < 100; $i++) {
 3 |     for ($j = 2; $j < $i; $j++) {
 4 |         if (($i % $j) != 0) {
 5 |           continue;
 6 |         } else {
 7 |             $flag = true;
 8 |             break;
 9 |         }
10 |     }
11 |     if (!$flag) echo "$i ";
12 |     $flag = false;
13 | }
14 | 


--------------------------------------------------------------------------------
/loops/while.php:
--------------------------------------------------------------------------------
1 | <?php
2 | $i = 1;
3 | while ($i <= 5) {
4 |     echo "$i<br />";
5 |     $i++;
6 | }
7 | 


--------------------------------------------------------------------------------
/loops/while_alter.php:
--------------------------------------------------------------------------------
1 | <?php
2 | $i = 5;
3 | while ($i--):
4 |      echo "$i<br />";
5 | endwhile;
6 | 


--------------------------------------------------------------------------------
/loops/while_break.php:
--------------------------------------------------------------------------------
1 | <?php
2 | $i = 0;
3 | while (true) {
4 |     $i++;
5 |     // Условие выхода из цикла
6 |     if ($i > 5) break;
7 |     echo "$i<br />";
8 | }
9 | 


--------------------------------------------------------------------------------
/loops/while_continue.php:
--------------------------------------------------------------------------------
 1 | <?php
 2 | $i = 0;
 3 | while (true) {
 4 |     $i++;
 5 |     // Досрочно прекращаем текущую итерацию
 6 |     if ($i < 4) continue;
 7 |     // Условие выхода из цикла
 8 |     if ($i > 5) break;
 9 |     echo "$i<br />";
10 | }
11 | 


--------------------------------------------------------------------------------
/loops/while_decrement.php:
--------------------------------------------------------------------------------
1 | <?php
2 | $i = 5;
3 | while (--$i) {
4 |      echo "$i<br />";
5 | }
6 | 


--------------------------------------------------------------------------------
/loops/while_false.php:
--------------------------------------------------------------------------------
1 | <?php
2 | $i = 0;
3 | while ($i <= 5) {
4 |     $i++;
5 |     echo "$i<br />";
6 | }
7 | 


--------------------------------------------------------------------------------
/loops/while_post_decrement.php:
--------------------------------------------------------------------------------
1 | <?php
2 | $i = 5;
3 | while ($i--) {
4 |      echo "$i<br />";
5 | }
6 | 


--------------------------------------------------------------------------------
/math/getrandmax.php:
--------------------------------------------------------------------------------
1 | <?php
2 | echo getrandmax(); // 2147483647
3 | 


--------------------------------------------------------------------------------
/math/randline.php:
--------------------------------------------------------------------------------
1 | <?php
2 | $lines = fopen('largetextfile.txt', 'r');
3 | 
4 | for ($i = 0; $current = fgets($lines, 10_000); $i++) {
5 |     if (rand(0, $i) == 0) $line = $current;
6 | }
7 | echo $line;
8 | 


--------------------------------------------------------------------------------
/methods/algorithm.php:
--------------------------------------------------------------------------------
1 | <?php
2 | class Algorithm
3 | {
4 |     public function distance(array $point) : float
5 |     {
6 |         return sqrt($point[0] ** 2 + $point[1] ** 2);
7 |     }
8 | }
9 | 


--------------------------------------------------------------------------------
/methods/algorithm_distances.php:
--------------------------------------------------------------------------------
 1 | <?php
 2 | require_once('algorithm.php');
 3 | 
 4 | $points = [[3, 5], [5, 3], [5, 5], [5, 0]];
 5 | $objects = array_map([new Algorithm, 'distance'], $points);
 6 | 
 7 | echo '<pre>';
 8 | print_r($objects);
 9 | echo '</pre>';
10 | 


--------------------------------------------------------------------------------
/methods/algorithm_static.php:
--------------------------------------------------------------------------------
1 | <?php
2 | class Algorithm
3 | {
4 |     public static function distance(array $point) : float
5 |     {
6 |         return sqrt($point[0] ** 2 + $point[1] ** 2);
7 |     }
8 | }
9 | 


--------------------------------------------------------------------------------
/methods/array_map.php:
--------------------------------------------------------------------------------
 1 | <?php
 2 | require_once('distance.php');
 3 | 
 4 | $points = [[3, 5], [5, 3], [5, 5], [5, 0]];
 5 | $objects = array_map(
 6 |     fn($arr) => new Point(x: $arr[0], y: $arr[1]),
 7 |     $points
 8 | );
 9 | 
10 | echo '<pre>';
11 | print_r($objects);
12 | echo '</pre>';
13 | 


--------------------------------------------------------------------------------
/methods/config.php:
--------------------------------------------------------------------------------
 1 | <?php
 2 | class Config {
 3 | }
 4 | 
 5 | $object = new Config;
 6 | 
 7 | $object->title = 'Название сайта';
 8 | $object->keywords = ['PHP', 'Python', 'Ruby', 'JavaScript'];
 9 | $object->per_page = 20;
10 | 
11 | echo '<pre>';
12 | print_r((array)$object);
13 | echo '<pre>';
14 | 


--------------------------------------------------------------------------------
/methods/connection.php:
--------------------------------------------------------------------------------
 1 | <?php
 2 | class Connection
 3 | {
 4 |     public function __construct()
 5 |     {
 6 |         echo 'Вызов конструктора<br />';
 7 |     }
 8 |     public function __destruct()
 9 |     {
10 |         echo 'Вызов деструктора<br />';
11 |     }
12 | }
13 | 


--------------------------------------------------------------------------------
/methods/connection_throw.php:
--------------------------------------------------------------------------------
1 | <?php
2 | require_once('connection.php');
3 | 
4 | $connection = new Connection(); // Вызов конструктора
5 | throw new Exception;            // Fatal error: Uncaught exception 'Exception'
6 | print_r($connection);           // Эта точка никогда не достигается
7 | 


--------------------------------------------------------------------------------
/methods/connection_use.php:
--------------------------------------------------------------------------------
1 | <?php
2 | require_once('connection.php');
3 | 
4 | $connection = new Connection();
5 | 


--------------------------------------------------------------------------------
/methods/construct_call_use.php:
--------------------------------------------------------------------------------
1 | <?php
2 | require_once 'construct_call.php';
3 | 
4 | $point = new Point();       // Вызов конструктора
5 | $point->__construct();      // Вызов конструктора
6 | $point->inner();            // Вызов конструктора
7 | 


--------------------------------------------------------------------------------
/methods/construct_params_use.php:
--------------------------------------------------------------------------------
1 | <?php
2 | require_once 'construct_params.php';
3 | 
4 | // $point = new Point(); // PHP Fatal error: Uncaught ArgumentCountError
5 | $point = new Point(x: 5, y: 3);
6 | echo $point->distance(); // 5.8309518948453
7 | 


--------------------------------------------------------------------------------
/methods/construct_private.php:
--------------------------------------------------------------------------------
1 | <?php
2 | class Point {
3 |     public function __construct(private int $x = 0, private int $y = 0)
4 |     {
5 |     }
6 | }
7 | 


--------------------------------------------------------------------------------
/methods/construct_private_use.php:
--------------------------------------------------------------------------------
 1 | <?php
 2 | require_once 'construct_private.php';
 3 | 
 4 | $point = new Point(x: 3, y: 5);
 5 | 
 6 | echo '<pre>';
 7 | print_r($point);
 8 | echo '<pre>';
 9 | 
10 | echo $point->x; // Fatal error: Uncaught Error: Cannot access private property Point::$x
11 | 


--------------------------------------------------------------------------------
/methods/construct_use.php:
--------------------------------------------------------------------------------
1 | <?php
2 | require_once('construct.php');
3 | 
4 | $point = new Point;       // Вызов конструктора
5 | 
6 | var_dump($point->getX()); // int(0)
7 | var_dump($point->getY()); // int(0)
8 | 


--------------------------------------------------------------------------------
/methods/distance_use.php:
--------------------------------------------------------------------------------
1 | <?php
2 | require_once('distance.php');
3 | 
4 | $point = new Point(x: 5, y: 3);
5 | echo $point->distance; // 5.8309518948453
6 | 


--------------------------------------------------------------------------------
/methods/greeting.php:
--------------------------------------------------------------------------------
1 | <?php
2 | class Greeting
3 | {
4 |     public function say()
5 |     {
6 |         return 'Hello, world!';
7 |     }
8 | }
9 | 


--------------------------------------------------------------------------------
/methods/greeting_param.php:
--------------------------------------------------------------------------------
1 | <?php
2 | class Greeting
3 | {
4 |     public function say(string $who) : string
5 |     {
6 |         return "Hello, $who!";
7 |     }
8 | }
9 | 


--------------------------------------------------------------------------------
/methods/greeting_say.php:
--------------------------------------------------------------------------------
1 | <?php
2 | require_once 'greeting.php';
3 | 
4 | $object = new Greeting;
5 | echo $object->say(); // Hello, world!
6 | 


--------------------------------------------------------------------------------
/methods/interpolation.php:
--------------------------------------------------------------------------------
1 | <?php
2 | $number = 12345;
3 | echo "number = $number<br />"; // number = 12345
4 | echo 'number = $number<br />'; // number = $number
5 | 


--------------------------------------------------------------------------------
/methods/method_exists.php:
--------------------------------------------------------------------------------
1 | <?php
2 | require_once 'point.php';
3 | 
4 | $point = new Point;
5 | 
6 | if (method_exists($point, 'say')) {
7 |     echo $point->say('PHP');
8 | }
9 | 


--------------------------------------------------------------------------------
/methods/method_wrong.php:
--------------------------------------------------------------------------------
1 | <?php
2 | require_once 'point.php';
3 | 
4 | $point = new Point;
5 | // Такого метода в объекте нет
6 | echo $point->say('PHP');
7 | 


--------------------------------------------------------------------------------
/methods/methods_list.php:
--------------------------------------------------------------------------------
1 | <?php
2 | require_once 'point.php';
3 | 
4 | $point = new Point;
5 | 
6 | echo '<pre>';
7 | print_r(get_class_methods($point));
8 | echo '</pre>';
9 | 


--------------------------------------------------------------------------------
/methods/minmax_static_use.php:
--------------------------------------------------------------------------------
1 | <?php
2 | require_once 'minmax_static.php';
3 | 
4 | echo MinMax::min(43, 18, 5, 61, 23, 10, 56, 36); // 5
5 | echo '<br />';
6 | echo MinMax::max(43, 18, 5, 61, 23); // 61
7 | 


--------------------------------------------------------------------------------
/methods/minmax_use.php:
--------------------------------------------------------------------------------
1 | <?php
2 | require_once 'minmax.php';
3 | 
4 | $obj = new MinMax();
5 | echo $obj->min(43, 18, 5, 61, 23, 10, 56, 36); // 5
6 | echo '<br />';
7 | echo $obj->max(43, 18, 5, 61, 23); // 61
8 | 


--------------------------------------------------------------------------------
/methods/page_use.php:
--------------------------------------------------------------------------------
1 | <?php
2 | require_once 'page.php';
3 | 
4 | Page::render();
5 | 


--------------------------------------------------------------------------------
/methods/point_interpolation_use.php:
--------------------------------------------------------------------------------
1 | <?php
2 | require_once 'point_interpolation.php';
3 | 
4 | $point = new Point(5, 12);
5 | 
6 | echo "point = {$point}"; // point = (5, 12)
7 | 


--------------------------------------------------------------------------------
/methods/point_use.php:
--------------------------------------------------------------------------------
1 | <?php
2 | require_once 'point.php';
3 | 
4 | $point = new Point;
5 | $point->setX(5);
6 | $point->setY(7);
7 | 
8 | echo $point->distance(); // 8.6023252670426
9 | 


--------------------------------------------------------------------------------
/methods/point_wrong.php:
--------------------------------------------------------------------------------
 1 | <?php
 2 | require_once('point.php');
 3 | 
 4 | $point = new Point;
 5 | 
 6 | var_dump($point->getX()); // NULL
 7 | var_dump($point->getY()); // NULL
 8 | 
 9 | $point->setX(5);
10 | $point->setY(3);
11 | 
12 | var_dump($point->getX()); // int(5)
13 | var_dump($point->getY()); // int(3)
14 | 


--------------------------------------------------------------------------------
/methods/properties_list.php:
--------------------------------------------------------------------------------
 1 | <?php
 2 | require_once 'point.php';
 3 | 
 4 | $point = new Point;
 5 | 
 6 | $point->z = 5;
 7 | 
 8 | echo '<pre>';
 9 | print_r(get_object_vars($point));
10 | echo '</pre>';
11 | 


--------------------------------------------------------------------------------
/methods/property_assign.php:
--------------------------------------------------------------------------------
1 | <?php
2 | require_once 'greeting.php';
3 | 
4 | $greeting = new Greeting;
5 | 
6 | $greeting->x = 5;
7 | echo $greeting->x; // 5
8 | 


--------------------------------------------------------------------------------
/methods/property_exists.php:
--------------------------------------------------------------------------------
 1 | <?php
 2 | require_once 'greeting.php';
 3 | 
 4 | $greeting = new Greeting;
 5 | 
 6 | $greeting->x = 5;
 7 | if (property_exists($greeting, 'x')) {
 8 |     echo $greeting->x; // 5
 9 | }
10 | 


--------------------------------------------------------------------------------
/methods/property_wrong.php:
--------------------------------------------------------------------------------
1 | <?php
2 | require_once 'greeting.php';
3 | 
4 | $greeting = new Greeting;
5 | 
6 | echo $greeting->x;
7 | 


--------------------------------------------------------------------------------
/methods/rainbow_use.php:
--------------------------------------------------------------------------------
1 | <?php
2 | require_once('rainbow.php');
3 | 
4 | $rainbow = new Rainbow;
5 | echo $rainbow->yellow;  // желтый
6 | echo $rainbow->red;     // красный
7 | echo $rainbow->unknown; // null
8 | 


--------------------------------------------------------------------------------
/methods/say_param.php:
--------------------------------------------------------------------------------
1 | <?php
2 | require_once 'greeting_param.php';
3 | 
4 | $object = new Greeting;
5 | echo $object->say('PHP'); // Hello, PHP!
6 | 


--------------------------------------------------------------------------------
/methods/segment.php:
--------------------------------------------------------------------------------
 1 | <?php
 2 | class Segment
 3 | {
 4 |     public function __construct(public ?Point $begin, public ?Point $end) {}
 5 |     public function __toString()
 6 |     {
 7 |         return "{$this->begin} ----- {$this->end}";
 8 |     }
 9 | }
10 | 


--------------------------------------------------------------------------------
/methods/segment_null_safe.php:
--------------------------------------------------------------------------------
1 | <?php
2 | require 'segment_point.php';
3 | require 'segment.php';
4 | 
5 | $segment = new Segment(new Point(3, 5), null);
6 | 
7 | echo "Начало: ({$segment?->begin?->x}, {$segment?->begin?->y})<br />";
8 | echo "Окончание: ({$segment?->end?->x}, {$segment?->end?->y})<br />";
9 | 


--------------------------------------------------------------------------------
/methods/segment_point.php:
--------------------------------------------------------------------------------
 1 | <?php
 2 | class Point
 3 | {
 4 |     public function __construct(public int $x = 0, public int $y = 0) {}
 5 | 
 6 |     public function __toString()
 7 |     {
 8 |         return "({$this->x},{$this->y})";
 9 |     }
10 | }
11 | 


--------------------------------------------------------------------------------
/methods/segment_use.php:
--------------------------------------------------------------------------------
 1 | <?php
 2 | require 'segment_point.php';
 3 | require 'segment.php';
 4 | 
 5 | $segment = new Segment(begin: new Point(3, 5), end: new Point(4, 8));
 6 | echo "Отрезок: {$segment}<br />";
 7 | 
 8 | $segment = new Segment(new Point(3, 5), null);
 9 | echo "Отрезок: {$segment}<br />";
10 | 


--------------------------------------------------------------------------------
/methods/segment_wrong.php:
--------------------------------------------------------------------------------
1 | <?php
2 | require 'segment_point.php';
3 | require 'segment.php';
4 | 
5 | $segment = new Segment(new Point(3, 5), null);
6 | 
7 | echo "Начало: ({$segment->begin->x}, {$segment->begin->y})<br />";
8 | echo "Окончание: ({$segment->end->x}, {$segment->end->y})<br />";
9 | 


--------------------------------------------------------------------------------
/methods/settings_use.php:
--------------------------------------------------------------------------------
 1 | <?php
 2 | require_once('settings.php');
 3 | 
 4 | $settings = new Settings;
 5 | 
 6 | $settings->title = 'Название сайта';
 7 | $settings->keywords = ['PHP', 'Python', 'Ruby', 'JavaScript'];
 8 | $settings->per_page = 20;
 9 | 
10 | echo '<pre>';
11 | print_r($settings->list());
12 | echo '</pre>';
13 | 


--------------------------------------------------------------------------------
/methods/static_distances.php:
--------------------------------------------------------------------------------
 1 | <?php
 2 | require_once('algorithm.php');
 3 | 
 4 | $points = [[3, 5], [5, 3], [5, 5], [5, 0]];
 5 | $objects = array_map(['Algorithm', 'distance'], $points);
 6 | 
 7 | echo '<pre>';
 8 | print_r($objects);
 9 | echo '</pre>';
10 | 


--------------------------------------------------------------------------------
/methods/static_greeting.php:
--------------------------------------------------------------------------------
1 | <?php
2 | class Greeting
3 | {
4 |     public static function say(string $who) : string
5 |     {
6 |         return "Hello, $who!";
7 |     }
8 | }
9 | 


--------------------------------------------------------------------------------
/methods/static_greeting_use.php:
--------------------------------------------------------------------------------
1 | <?php
2 | require_once('static_greeting.php');
3 | echo Greeting::say('PHP'); // Hello, PHP!
4 | 


--------------------------------------------------------------------------------
/namespace/PHP8/author.php:
--------------------------------------------------------------------------------
 1 | <?php
 2 | namespace PHP8;
 3 | 
 4 | trait Author
 5 | {
 6 |     public function authors()
 7 |     {
 8 |         // $query = 'SELECT * FROM authors WHERE id IN(:ids)'
 9 |         echo 'Author::authors()<br />';
10 |     }
11 | }
12 | 


--------------------------------------------------------------------------------
/namespace/PHP8/page.php:
--------------------------------------------------------------------------------
 1 | <?php
 2 | namespace PHP8;
 3 | use \PHP8\Seo as Seo;
 4 | use \PHP8\Author as Author;
 5 | 
 6 | class Page
 7 | {
 8 |     use Seo, Author;
 9 | 
10 |     public function __construct(
11 |         protected string $title = '',
12 |         protected string $content = ''
13 |     ) {}
14 | }
15 | 


--------------------------------------------------------------------------------
/namespace/namespace_const.php:
--------------------------------------------------------------------------------
1 | <?php
2 | namespace PHP8;
3 | 
4 | echo __NAMESPACE__; // PHP8
5 | 


--------------------------------------------------------------------------------
/namespace/namespace_key.php:
--------------------------------------------------------------------------------
 1 | <?php
 2 | namespace PHP8;
 3 | 
 4 | function strlen($str)
 5 | {
 6 |     return count(str_split($str));
 7 | }
 8 | 
 9 | // Это PHP8\strlen
10 | echo \PHP8\strlen('Hello, world!') . '<br />';
11 | echo strlen('Hello, world!') . '<br />';
12 | echo namespace\strlen('Hello, world!') . '<br />';
13 | 


--------------------------------------------------------------------------------
/namespace/namespace_use.php:
--------------------------------------------------------------------------------
1 | <?php
2 | require_once 'namespace.php';
3 | 
4 | echo 'Версия ' . PHP8\VERSION . '<br />';
5 | $page = new PHP8\Page('Контакты', 'Содержимое страницы');
6 | PHP8\debug($page);
7 | 


--------------------------------------------------------------------------------
/namespace/namespaces_alt_use.php:
--------------------------------------------------------------------------------
1 | <?php
2 | require_once 'namespaces_alt.php';
3 | 
4 | echo 'Версия ' . PHP8\constants\VERSION . '<br />';
5 | $page = new PHP8\classes\Page('Контакты', 'Содержимое страницы');
6 | PHP8\functions\debug($page);
7 | 


--------------------------------------------------------------------------------
/namespace/relative.php:
--------------------------------------------------------------------------------
1 | <?php
2 | namespace PHP8;
3 | 
4 | require_once 'namespaces.php';
5 | $page = new classes\Page('Контакты', 'Содержимое страницы');
6 | functions\debug($page);
7 | 


--------------------------------------------------------------------------------
/namespace/spl_autoload_register.php:
--------------------------------------------------------------------------------
1 | <?php
2 | spl_autoload_register();
3 | 
4 | $page = new PHP8\Page('О нас', 'Содержимое страницы');
5 | $page->authors(); // Author::authors()
6 | 


--------------------------------------------------------------------------------
/namespace/use.php:
--------------------------------------------------------------------------------
 1 | <?php
 2 | require_once 'namespaces_alt.php';
 3 | 
 4 | use PHP8\constants as constants;
 5 | use PHP8\functions as functions;
 6 | use PHP8\classes\Page as Page;
 7 | 
 8 | echo 'Версия ' . constants\VERSION . '<br />';
 9 | $page = new Page('Контакты', 'Содержимое страницы');
10 | functions\debug($page);
11 | 


--------------------------------------------------------------------------------
/namespace/wrong.php:
--------------------------------------------------------------------------------
1 | <?php
2 | require_once(__DIR__ . '/PHP8/seo.php');
3 | require_once(__DIR__ . '/PHP8/author.php');
4 | require_once(__DIR__ . '/PHP8/page.php');
5 | 
6 | $page = new PHP8\Page('О нас', 'Содержимое страницы');
7 | $page->authors(); // Author::authors()
8 | 


--------------------------------------------------------------------------------
/net/curl.php:
--------------------------------------------------------------------------------
1 | <?php
2 | // Задаем адрес удаленного сервера
3 | $curl = curl_init('https://www.php.net');
4 | // Получаем содержимое страницы
5 | echo curl_exec($curl);
6 | // Закрываем CURL-соединение
7 | curl_close($curl);
8 | 


--------------------------------------------------------------------------------
/net/file.php:
--------------------------------------------------------------------------------
1 | <?php
2 | echo file_get_contents('file:///etc/hosts');
3 | // $windows_path = 'file:///C:/Windows/system32/drivers/etc/hosts'
4 | // echo file_get_contents($windows_path);
5 | 


--------------------------------------------------------------------------------
/net/handler.php:
--------------------------------------------------------------------------------
1 | <?php
2 | if (!empty($_POST)) {
3 |     echo 'Имя - ' . htmlspecialchars($_POST['name']) . ' <br />';
4 |     echo 'Пароль - ' . htmlspecialchars($_POST['pass']) . ' <br />';
5 | }
6 | 


--------------------------------------------------------------------------------
/net/posthandler.php:
--------------------------------------------------------------------------------
1 | <?php
2 | $name = [];
3 | if(isset($_POST['first_name'])) $name[] = $_POST['first_name'];
4 | if(isset($_POST['last_name'])) $name[] = $_POST['last_name'];
5 | if(count($name) > 0) echo 'Привет, ' . implode(' ', $name) . '!';
6 | 


--------------------------------------------------------------------------------
/net/wrap.php:
--------------------------------------------------------------------------------
1 | <?php
2 | echo '<h1>Первая страница (HTTP):</h1>';
3 | echo file_get_contents('http://php.net');
4 | echo '<h1>Вторая страница (FTP):</h1>';
5 | echo file_get_contents('ftp://ftp.aha.ru/');
6 | 


--------------------------------------------------------------------------------
/others/eval.php:
--------------------------------------------------------------------------------
1 | <?php
2 | for ($i = 1; $i <= 1000; $i++) {
3 |     eval("function printSquare$i() { echo $i * $i; }");
4 | }
5 | printSquare303();
6 | 


--------------------------------------------------------------------------------
/others/highlight_file.php:
--------------------------------------------------------------------------------
1 | <?php
2 | highlight_file('eval.php');
3 | 


--------------------------------------------------------------------------------
/others/md5.php:
--------------------------------------------------------------------------------
1 | <?php
2 | $str = 'Какая-то произвольная строка';
3 | echo md5($str); // 169dd0040cbdab4cac1e8de55d951206
4 | 


--------------------------------------------------------------------------------
/others/md5_file.php:
--------------------------------------------------------------------------------
1 | <?php
2 | echo md5_file($_SERVER['PHP_SELF']);
3 | 


--------------------------------------------------------------------------------
/others/md5_file_change.php:
--------------------------------------------------------------------------------
1 | <?php
2 | echo md5_file($_SERVER['PHP_SELF']); // 733b230e574c4e8a187678d0a20d60dd
3 | 


--------------------------------------------------------------------------------
/others/phpinfo.php:
--------------------------------------------------------------------------------
1 | <?php
2 | phpinfo();
3 | 


--------------------------------------------------------------------------------
/others/phpinfo_flags.php:
--------------------------------------------------------------------------------
1 | <?php
2 | phpinfo(INFO_CREDITS | INFO_LICENSE);
3 | 


--------------------------------------------------------------------------------
/others/phpversion.php:
--------------------------------------------------------------------------------
1 | <?php
2 | echo phpversion(); // 8.1.4
3 | 


--------------------------------------------------------------------------------
/patterns/factory_use.php:
--------------------------------------------------------------------------------
1 | <?php
2 | spl_autoload_register();
3 | 
4 | use Factory\Router;
5 | 
6 | $obj = Router::parse('users');
7 | echo $obj->render();
8 | 


--------------------------------------------------------------------------------
/patterns/mvc/models/user.php:
--------------------------------------------------------------------------------
 1 | <?php
 2 | namespace MVC\Models;
 3 | 
 4 | class User
 5 | {
 6 |     public function __construct(
 7 |         public string $email,
 8 |         private string $password,
 9 |         public ?string $first_name = null,
10 |         public ?string $last_name = null) {}
11 | }
12 | 


--------------------------------------------------------------------------------
/patterns/mvc/views/userhtmlview.php:
--------------------------------------------------------------------------------
1 | <?php
2 | namespace MVC\Views;
3 | 
4 | class UserHtmlView extends HtmlView {}
5 | 


--------------------------------------------------------------------------------
/patterns/mvc/views/userrssview.php:
--------------------------------------------------------------------------------
1 | <?php
2 | namespace MVC\Views;
3 | 
4 | class UserRssView extends RssView {}
5 | 


--------------------------------------------------------------------------------
/patterns/mvc/views/usershtmlview.php:
--------------------------------------------------------------------------------
1 | <?php
2 | namespace MVC\Views;
3 | 
4 | class UsersHtmlView extends HtmlView {}
5 | 


--------------------------------------------------------------------------------
/patterns/mvc/views/usersrssview.php:
--------------------------------------------------------------------------------
1 | <?php
2 | namespace MVC\Views;
3 | 
4 | class UsersRssView extends RssView {}
5 | 


--------------------------------------------------------------------------------
/patterns/mvc_use.php:
--------------------------------------------------------------------------------
1 | <?php
2 | spl_autoload_register();
3 | 
4 | use MVC\Controllers\Controller;
5 | 
6 | //$obj = new Controller('users.rss');
7 | $obj = new Controller('users/1.html');
8 | echo $obj->render();
9 | 


--------------------------------------------------------------------------------
/patterns/settings_use.php:
--------------------------------------------------------------------------------
1 | <?php
2 | spl_autoload_register();
3 | 
4 | use Singleton\Settings;
5 | 
6 | Settings::get()->items_per_page = 20;
7 | echo Settings::get()->items_per_page; // 20
8 | 
9 | 


--------------------------------------------------------------------------------
/pdo/connect.php:
--------------------------------------------------------------------------------
 1 | <?php
 2 | try {
 3 |     $pdo = new PDO(
 4 |         'pgsql:host=localhost;dbname=catalog',
 5 |         'user',
 6 |         '',
 7 |         [PDO::ATTR_ERRMODE => PDO::ERRMODE_EXCEPTION]);
 8 | } catch (PDOException $e) {
 9 |     echo 'Невозможно установить соединение с базой данных';
10 | }
11 | 


--------------------------------------------------------------------------------
/pdo/connect_db.php:
--------------------------------------------------------------------------------
1 | <?php
2 | try {
3 |     $pdo = new PDO('pgsql:host=localhost;dbname=catalog', 'user', '');
4 | } catch (PDOException $e) {
5 |     echo 'Невозможно установить соединение с базой данных';
6 | }
7 | 


--------------------------------------------------------------------------------
/pdo/errors.php:
--------------------------------------------------------------------------------
 1 | <?php
 2 | require_once('connect_db.php');
 3 | 
 4 | try {
 5 |     $query = 'SELECT VERSION1() AS version';
 6 |     $ver = $pdo->query($query);
 7 |     echo $ver->fetch()['version'];
 8 | } catch (PDOException $e) {
 9 |     echo 'Ошибка выполнения запроса: ' . $e->getMessage();
10 | }
11 | 


--------------------------------------------------------------------------------
/pdo/exec_wrong.php:
--------------------------------------------------------------------------------
1 | <?php
2 | require_once('connect_db.php');
3 | 
4 | $query = 'CREATE TABLE catalogs (
5 |            id SERIAL,
6 |            name TEXT NOT NULL)';
7 | 
8 | $pdo->exec($query);
9 | 


--------------------------------------------------------------------------------
/pdo/news.sql:
--------------------------------------------------------------------------------
 1 | CREATE TABLE news (
 2 |   id SERIAL,
 3 |   name TEXT NOT NULL,
 4 |   putdate TIMESTAMP NOT NULL
 5 | );
 6 | 
 7 | CREATE TABLE news_contents (
 8 |   id SERIAL,
 9 |   content TEXT NOT NULL,
10 |   news_id INTEGER NOT NULL
11 | );
12 | 


--------------------------------------------------------------------------------
/pdo/version.php:
--------------------------------------------------------------------------------
 1 | <?php
 2 | require_once('connect_db.php');
 3 | 
 4 | // Выполняем запрос
 5 | $query = 'SELECT VERSION() AS version';
 6 | $ver = $pdo->query($query);
 7 | 
 8 | // Извлекаем результат
 9 | $version = $ver->fetch();
10 | echo $version['version'];
11 | 


--------------------------------------------------------------------------------
/permissions/fileperms.php:
--------------------------------------------------------------------------------
 1 | <?php
 2 | // Получаем права доступа и тип файла
 3 | $perms = fileperms('text.txt');
 4 | 
 5 | // Преобразуем результат в восьмеричную систему счисления
 6 | echo decoct($perms); // 100664
 7 | 
 8 | // Преобразуем результат в двоичную систему счисления
 9 | echo decbin($perms); // 1000000110100100
10 | 


--------------------------------------------------------------------------------
/permissions/mtime.php:
--------------------------------------------------------------------------------
1 | <?php
2 | $mtime = filemtime(__FILE__);
3 | echo 'Последнее изменение страницы: ' . date('Y-m-d H:i:s');
4 | 


--------------------------------------------------------------------------------
/permissions/text.txt:
--------------------------------------------------------------------------------
https://raw.githubusercontent.com/igorsimdyanov/php8/cf241f08acb0aeb303c91e4ac2abd180ec29c0ca/permissions/text.txt


--------------------------------------------------------------------------------
/phpbasics/comments.php:
--------------------------------------------------------------------------------
1 | <?php
2 | /*
3 |   Демонстрация разных типов комментариев
4 |   в языке программирования PHP
5 | */
6 | echo 'Hello, '; // это комментарий
7 | echo 'world!'; # и это комментарий
8 | 


--------------------------------------------------------------------------------
/phpbasics/curly.php:
--------------------------------------------------------------------------------
1 | <?php
2 | {
3 |     echo 5 + 5;
4 |     echo 5 - 2;
5 |     echo "Hello, world!";
6 | }
7 | 


--------------------------------------------------------------------------------
/phpbasics/few.php:
--------------------------------------------------------------------------------
 1 | <!DOCTYPE html>
 2 | <html>
 3 |   <head>
 4 |     <title><?php echo "Вывод текущей даты" ?></title>
 5 |   </head>
 6 |   <body>
 7 |     <?php
 8 |         echo "Текущая дата:<br />";
 9 |         echo date(DATE_RSS);
10 |     ?>
11 |   </body>
12 | </html>
13 | 


--------------------------------------------------------------------------------
/phpbasics/if.php:
--------------------------------------------------------------------------------
 1 | <?php
 2 | if(rand(0, 1)) {
 3 |     ?>
 4 |     <div style='color:green'><?= "Истина"; ?></div>
 5 |     <?php
 6 | } else {
 7 |     ?>
 8 |     <div style='color:red'><?= "Ложь" ?></div>
 9 |     <?php
10 | }
11 | 


--------------------------------------------------------------------------------
/phpbasics/include.php:
--------------------------------------------------------------------------------
1 | <?php
2 | echo 'Основной скрипт<br />';
3 | include 'included.php';
4 | echo 'Основной скрипт<br />';
5 | 


--------------------------------------------------------------------------------
/phpbasics/included.php:
--------------------------------------------------------------------------------
1 | <?php
2 | echo 'Включаемый файл<br />';
3 | ?>
4 | <h3>Текст не обязательно должен выводиться оператором echo</h3>
5 | 


--------------------------------------------------------------------------------
/phpbasics/index.php:
--------------------------------------------------------------------------------
1 | <?php
2 |     echo "Hello, world!";
3 | ?>
4 | 


--------------------------------------------------------------------------------
/phpbasics/index_alternative.php:
--------------------------------------------------------------------------------
 1 | <!DOCTYPE html>
 2 | <html lang="ru">
 3 |   <head>
 4 |     <title>Простейший PHP-скрипт</title>
 5 |     <meta charset='utf-8' />
 6 |   </head>
 7 |   <body>
 8 |     <?php
 9 |         echo "Hello, world!";
10 |     ?>
11 |   </body>
12 | </html>
13 | 


--------------------------------------------------------------------------------
/phpbasics/into.php:
--------------------------------------------------------------------------------
1 | <?php
2 | echo "Hello<br />"; // комментарий PHP
3 | ?>
4 | // этот текст отобразится браузером.
5 | <!-- Этот текст не будет отображен браузером, поскольку заключен между символами, являющимися комментариями HTML. Однако он может быть просмотрен в исходном коде HTML-страницы -->
6 | 


--------------------------------------------------------------------------------
/phpbasics/mech.php:
--------------------------------------------------------------------------------
1 | <?php
2 | echo 5
3 |      +
4 |      5; echo 5 -
5 |      2; echo"Hello, world!"
6 |      ;
7 | 


--------------------------------------------------------------------------------
/phpbasics/missing.php:
--------------------------------------------------------------------------------
1 | <?php
2 | echo "Hello world!";
3 | 


--------------------------------------------------------------------------------
/phpbasics/position.php:
--------------------------------------------------------------------------------
1 | <?php
2 | echo strstr( // эту функцию мы рассмотрим позднее
3 |     "Hello, world", "H");
4 | 


--------------------------------------------------------------------------------
/phpbasics/semicolumn.php:
--------------------------------------------------------------------------------
1 | <?php
2 | echo 5 + 5;
3 | echo 5 - 2;
4 | echo "Hello, world!";
5 | 


--------------------------------------------------------------------------------
/phpbasics/semicolumn_error.php:
--------------------------------------------------------------------------------
 1 | <!DOCTYPE html>
 2 | <html>
 3 |   <head>
 4 |     <title><?php echo "Вывод текущей даты" ?></title>
 5 |   </head>
 6 |   <body>
 7 |     <?php
 8 |         echo "Текущая дата:<br />"
 9 |         echo date(DATE_RSS)
10 |     ?>
11 |   </body>
12 | </html>
13 | 


--------------------------------------------------------------------------------
/phpbasics/shortags.php:
--------------------------------------------------------------------------------
 1 | <!DOCTYPE html>
 2 | <html lang="ru">
 3 |   <head>
 4 |     <title>Альтернативные теги</title>
 5 |     <meta charset='utf-8' />
 6 |   </head>
 7 |   <body>
 8 |     <?= "Hello, world!"; ?>
 9 |   </body>
10 | </html>
11 | 


--------------------------------------------------------------------------------
/phpdocs/phpdocs/composer.json:
--------------------------------------------------------------------------------
 1 | {
 2 |     "require": {
 3 |         "phpdocumentor/phpdocumentor": "3.*",
 4 |         "phpdocumentor/reflection": "^5.2"
 5 |     },
 6 |     "config": {
 7 |         "allow-plugins": {
 8 |             "symfony/flex": true
 9 |         }
10 |     }
11 | }
12 | 


--------------------------------------------------------------------------------
/postgresql/articles.sql:
--------------------------------------------------------------------------------
1 | CREATE TABLE articles (
2 |   id SERIAL,
3 |   title VARCHAR(40),
4 |   body TEXT,
5 |   user_id INTEGER,
6 |   created_at TIMESTAMP,
7 |   updated_at TIMESTAMP
8 | );
9 | 


--------------------------------------------------------------------------------
/postgresql/catalog.sql:
--------------------------------------------------------------------------------
1 | CREATE TABLE catalogs (
2 |   id INTEGER NOT NULL,
3 |   name TEXT NOT NULL
4 | );
5 | 


--------------------------------------------------------------------------------
/postgresql/catalog_comment.sql:
--------------------------------------------------------------------------------
1 | DROP TABLE IF EXISTS catalogs;
2 | CREATE TABLE catalogs (
3 |   id INTEGER NOT NULL,
4 |   name TEXT NOT NULL
5 | );
6 | COMMENT ON TABLE catalogs IS 'Разделы интернет-магазина';
7 | COMMENT ON COLUMN catalogs.id IS 'Первичный ключ';
8 | COMMENT ON COLUMN catalogs.name IS 'Название раздела';
9 | 


--------------------------------------------------------------------------------
/postgresql/catalog_null.sql:
--------------------------------------------------------------------------------
1 | DROP TABLE IF EXISTS catalogs;
2 | CREATE TABLE catalogs (
3 |   id INTEGER,
4 |   name TEXT
5 | );
6 | 


--------------------------------------------------------------------------------
/postgresql/database_create.sql:
--------------------------------------------------------------------------------
1 | CREATE DATABASE catalog TEMPLATE template0;
2 | 


--------------------------------------------------------------------------------
/postgresql/database_drop.sql:
--------------------------------------------------------------------------------
1 | DROP DATABASE catalog;
2 | 


--------------------------------------------------------------------------------
/postgresql/insert.sql:
--------------------------------------------------------------------------------
1 | INSERT INTO catalogs VALUES (10, 'Блоки питания');
2 | INSERT INTO catalogs (name, id) VALUES ('Видеокарты', 20);
3 | INSERT INTO catalogs (id) VALUES (30);
4 | INSERT INTO catalogs DEFAULT VALUES;
5 | 


--------------------------------------------------------------------------------
/postgresql/multi_insert.sql:
--------------------------------------------------------------------------------
 1 | DROP TABLE IF EXISTS catalogs;
 2 | CREATE TABLE catalogs (
 3 |   id SERIAL,
 4 |   name TEXT NOT NULL
 5 | );
 6 | INSERT INTO catalogs
 7 |   (name)
 8 | VALUES
 9 |   ('Процессоры'),
10 |   ('Материнские платы'),
11 |   ('Видеоадаптеры'),
12 |   ('Жесткие диски'),
13 |   ('Оперативная память');
14 | 


--------------------------------------------------------------------------------
/postgresql/tables_drop.sql:
--------------------------------------------------------------------------------
1 | DROP TABLE IF EXISTS articles, users;
2 | 


--------------------------------------------------------------------------------
/postgresql/timestamp.sql:
--------------------------------------------------------------------------------
1 | CREATE TABLE tbl (
2 |   id INTEGER NOT NULL,
3 |   putdate TIMESTAMP NOT NULL,
4 |   lastdate DATE NOT NULL
5 | );
6 | 


--------------------------------------------------------------------------------
/postgresql/users.sql:
--------------------------------------------------------------------------------
1 | CREATE TABLE users (
2 |   id SERIAL,
3 |   first_name VARCHAR,
4 |   last_name VARCHAR
5 | );
6 | 


--------------------------------------------------------------------------------
/redis/config.php:
--------------------------------------------------------------------------------
1 | <?php
2 | $redis = new Redis();
3 | $redis->connect('127.0.0.1', 6379);
4 | $redis->select(1);
5 | 


--------------------------------------------------------------------------------
/redis/keys.php:
--------------------------------------------------------------------------------
1 | <?php
2 | require_once 'config.php';
3 | 
4 | echo '<pre>';
5 | print_r($redis->keys('*'));
6 | echo '</pre>';
7 | 


--------------------------------------------------------------------------------
/redis/mget.php:
--------------------------------------------------------------------------------
1 | <?php
2 | require_once 'config.php';
3 | 
4 | $keys = $redis->keys('*');
5 | 
6 | echo '<pre>';
7 | print_r($redis->mGet($keys));
8 | echo '</pre>';
9 | 


--------------------------------------------------------------------------------
/redis/mvc/models/user.php:
--------------------------------------------------------------------------------
 1 | <?php
 2 | namespace MVC\Models;
 3 | 
 4 | class User
 5 | {
 6 |     public function __construct(
 7 |         public string $email,
 8 |         private string $password,
 9 |         public ?string $first_name = null,
10 |         public ?string $last_name = null) {}
11 | }
12 | 


--------------------------------------------------------------------------------
/redis/mvc/views/userhtmlview.php:
--------------------------------------------------------------------------------
1 | <?php
2 | namespace MVC\Views;
3 | 
4 | class UserHtmlView extends HtmlView {}
5 | 


--------------------------------------------------------------------------------
/redis/mvc/views/userrssview.php:
--------------------------------------------------------------------------------
1 | <?php
2 | namespace MVC\Views;
3 | 
4 | class UserRssView extends RssView {}
5 | 


--------------------------------------------------------------------------------
/redis/mvc/views/usershtmlview.php:
--------------------------------------------------------------------------------
1 | <?php
2 | namespace MVC\Views;
3 | 
4 | class UsersHtmlView extends HtmlView {}
5 | 


--------------------------------------------------------------------------------
/redis/mvc/views/usersrssview.php:
--------------------------------------------------------------------------------
1 | <?php
2 | namespace MVC\Views;
3 | 
4 | class UsersRssView extends RssView {}
5 | 


--------------------------------------------------------------------------------
/redis/mvc_use.php:
--------------------------------------------------------------------------------
 1 | <?php
 2 | require_once 'config.php';
 3 | 
 4 | spl_autoload_register();
 5 | 
 6 | use MVC\Controllers\ControllerCache;
 7 | 
 8 | $obj = new ControllerCache('users/1.html', $redis);
 9 | echo $obj->render();
10 | 


--------------------------------------------------------------------------------
/redis/ping.php:
--------------------------------------------------------------------------------
1 | <?php
2 | $redis = new Redis();
3 | $redis->connect('127.0.0.1', 6379);
4 | echo $redis->ping(); // true
5 | 


--------------------------------------------------------------------------------
/redis/session.php:
--------------------------------------------------------------------------------
 1 | <?php
 2 | session_start();
 3 | 
 4 | if(!isset($_SESSION['count'])) {
 5 |     $_SESSION['count'] = 0;
 6 | }
 7 | 
 8 | $_SESSION['count']++;
 9 | echo $_SESSION['count'];
10 | 


--------------------------------------------------------------------------------
/reflections/datetime.php:
--------------------------------------------------------------------------------
1 | <?php
2 | $object = new DateTime;
3 | 
4 | echo $object->format('d.m.Y H:i:s');
5 | 


--------------------------------------------------------------------------------
/reflections/datetime_reflection.php:
--------------------------------------------------------------------------------
1 | <?php
2 | $datetime = new ReflectionClass('DateTime');
3 | $object = $datetime->newInstance();
4 | 
5 | echo $object->format('d.m.Y H:i:s');
6 | 


--------------------------------------------------------------------------------
/reflections/get_parameters.php:
--------------------------------------------------------------------------------
1 | <?php
2 | require_once('hello.php');
3 | 
4 | $obj = new ReflectionFunction('hello');
5 | 
6 | foreach ($obj->getParameters() as $param) {
7 |     echo $param->getName() .'<br />';
8 | }
9 | 


--------------------------------------------------------------------------------
/reflections/hello.php:
--------------------------------------------------------------------------------
 1 | <?php
 2 | /** Метод hello() принимает единственный параметр 
 3 |     $name и возвращает строковое приветствие
 4 |   */
 5 | 
 6 | function hello(string $name) : string
 7 | {
 8 |     return "Hello, $name!";
 9 | }
10 | 


--------------------------------------------------------------------------------
/reflections/modifiers.php:
--------------------------------------------------------------------------------
1 | <?php
2 | $cls = new ReflectionClass('ReflectionFunctionAbstract');
3 | $modifiers = Reflection::getModifierNames($cls->getModifiers());
4 | 
5 | echo '<pre>';
6 | print_r($modifiers); // ['abstract']
7 | echo '</pre>';
8 | 


--------------------------------------------------------------------------------
/reflections/param.php:
--------------------------------------------------------------------------------
1 | <?php
2 | require_once('hello.php');
3 | 
4 | $param = new ReflectionParameter('hello', 0);
5 | 
6 | echo $param->getName(); // name
7 | 


--------------------------------------------------------------------------------
/reflections/param_named.php:
--------------------------------------------------------------------------------
1 | <?php
2 | require_once('hello.php');
3 | 
4 | $param = new ReflectionParameter('hello', 'name');
5 | 
6 | echo $param->getName(); // name
7 | 


--------------------------------------------------------------------------------
/reflections/rclass.php:
--------------------------------------------------------------------------------
1 | <?php
2 | $cls = new ReflectionClass('DateTime');
3 | 
4 | echo '<pre>';
5 | echo $cls;
6 | echo '</pre>';
7 | 


--------------------------------------------------------------------------------
/reflections/rdoc.php:
--------------------------------------------------------------------------------
1 | <?php
2 | require_once('hello.php');
3 | 
4 | $obj = new ReflectionFunction('hello');
5 | 
6 | echo '<pre>';
7 | echo $obj->getDocComment();
8 | echo '</pre>';
9 | 


--------------------------------------------------------------------------------
/reflections/reflection.php:
--------------------------------------------------------------------------------
 1 | <?php
 2 | class Reflection
 3 | {
 4 |     /* Методы */
 5 |     public static export(
 6 |         Reflector $reflector,
 7 |         bool $return = false): string
 8 |     public static getModifierNames(int $modifiers): array
 9 | }
10 | 


--------------------------------------------------------------------------------
/reflections/reflector.php:
--------------------------------------------------------------------------------
 1 | <?php
 2 | interface Reflector extends Stringable
 3 | {
 4 |     /* Методы */
 5 |     public static export(): string
 6 |     public __toString(): string
 7 |     /* Наследуемые методы */
 8 |     public Stringable::__toString(): string
 9 | }
10 | 


--------------------------------------------------------------------------------
/reflections/rexcept.php:
--------------------------------------------------------------------------------
1 | <?php
2 | try {
3 |     $obj = new ReflectionFunction('spoon');
4 | } catch (ReflectionException $e) {
5 |     echo 'Исключение: ', $e->getMessage();
6 | }
7 | 


--------------------------------------------------------------------------------
/reflections/rext.php:
--------------------------------------------------------------------------------
 1 | <?php
 2 | $consts = [];
 3 | foreach (get_loaded_extensions() as $name) {
 4 |     $ext = new ReflectionExtension($name);
 5 |     $consts = array_merge($consts, $ext->getConstants());
 6 | }
 7 | 
 8 | echo '<pre>';
 9 | print_r($consts);
10 | echo '</pre>';
11 | 


--------------------------------------------------------------------------------
/reflections/rfunc.php:
--------------------------------------------------------------------------------
1 | <?php
2 | function throughTheDoor(string $which) : void
3 | {
4 |     echo "Get through the $which door";
5 | }
6 | 
7 | $func = new ReflectionFunction('throughTheDoor');
8 | $func->invoke('left');
9 | 


--------------------------------------------------------------------------------
/regexp/email.php:
--------------------------------------------------------------------------------
 1 | <?php
 2 | $text = 'Адреса: user-first@mail.ru, second.user@mail.ru.';
 3 | 
 4 | $html = preg_replace(
 5 |     '{
 6 |       [-\w.]+             # имя ящика
 7 |       @
 8 |       [-\w]+(\.[-\w]+)*   # имя хоста
 9 |     }xs',
10 |     '<a href="mailto:$0">$0</a>',
11 |     $text
12 | );
13 | 
14 | echo $html;
15 | 


--------------------------------------------------------------------------------
/regexp/ex01.php:
--------------------------------------------------------------------------------
1 | <?php
2 | // Проверить, что в строке есть число (одна цифра или более)
3 | preg_match('/\d+/s', 'article_123.html', $matches);
4 | 
5 | // Совпадение окажется в $matches[0]
6 | echo $matches[0]; // выводит 123
7 | 


--------------------------------------------------------------------------------
/regexp/ex03.php:
--------------------------------------------------------------------------------
1 | <?php
2 | $text = 'Привет от somebody@mail.ru, а также от other@mail.ru!';
3 | $html = preg_replace(
4 |     '/(\S+)@([a-z0-9.]+)/is',     // найти все E-mail
5 |     '<a href="mailto:$0">$0</a>', // заменить их по шаблону
6 |     $text                         // искать в $text
7 | );
8 | echo $html;
9 | 


--------------------------------------------------------------------------------
/regexp/ex05.php:
--------------------------------------------------------------------------------
1 | <?php
2 | $text = htmlspecialchars(file_get_contents(__FILE__));
3 | $html = preg_replace('/(\$[a-z]\w*)/is', '<b>$1</b>', $text);
4 | echo "<pre>$html</pre>";
5 | 


--------------------------------------------------------------------------------
/regexp/ex06.php:
--------------------------------------------------------------------------------
1 | <?php
2 | $str = 'Hello, this <b>word</b> is bold!';
3 | $re = '|<(\w+) [^>]* > (.*?) </\1>|xs';
4 | preg_match($re, $str, $matches) or exit('Нет тегов.');
5 | echo htmlspecialchars("'$matches[2]' обрамлено тегом '$matches[1]'");
6 | 


--------------------------------------------------------------------------------
/regexp/ex07.php:
--------------------------------------------------------------------------------
1 | <?php
2 | $str = '2022-07-15';
3 | $re = '|^(?:\d{4})-(?:\d{2})-(\d{2})$|';
4 | preg_match($re, $str, $matches) or exit('Соответствие не найдено');
5 | echo htmlspecialchars('День: ' . $matches[1]);
6 | 


--------------------------------------------------------------------------------
/regexp/ex08.php:
--------------------------------------------------------------------------------
1 | <?php
2 | $str = '2022-07-15';
3 | $re = '|^(?<year>\d{4})-(?<month>\d{2})-(?<day>\d{2})$|';
4 | preg_match($re, $str, $matches) or exit('Соответствие не найдено');
5 | echo 'День: '  . $matches['day']   . '<br />';
6 | echo 'Месяц: ' . $matches['month'] . '<br />';
7 | echo 'Год: '   . $matches['year']  . '<br />';
8 | 


--------------------------------------------------------------------------------
/regexp/ex09.php:
--------------------------------------------------------------------------------
1 | <?php
2 | $str = 'Hello, this <b>word</b> is <b>bold</b>!';
3 | $re = '|<(\w+) [^>]* > (.*) </\1>|xs';
4 | preg_match($re, $str, $matches) or exit('Нет тегов.');
5 | echo htmlspecialchars("'$matches[2]' обрамлено тегом '$matches[1]'");
6 |  


--------------------------------------------------------------------------------
/regexp/ex11.php:
--------------------------------------------------------------------------------
1 | <?php
2 | $str = file_get_contents(__FILE__);
3 | $str = preg_replace('/^/m', "\t", $str);
4 | echo '<pre>' . htmlspecialchars($str) . '</pre>';
5 | 


--------------------------------------------------------------------------------
/regexp/ex12.php:
--------------------------------------------------------------------------------
 1 | <?php
 2 | $st = '<b>жирный текст</b>';
 3 | $re = '|<(\w+).*?>(.*?)</\1>|s';
 4 | 
 5 | preg_match($re, $st, $p, PREG_OFFSET_CAPTURE);
 6 | 
 7 | echo '<pre>';
 8 | print_r($p);
 9 | echo '</pre>';
10 | 


--------------------------------------------------------------------------------
/regexp/grep.php:
--------------------------------------------------------------------------------
1 | <?php
2 | foreach (preg_grep('/^ex\d/s', glob('*')) as $fn) {
3 |     echo "Файл примера: $fn<br />";
4 | }
5 | 


--------------------------------------------------------------------------------
/standarts/codesniffer/composer.json:
--------------------------------------------------------------------------------
1 | {
2 |     "require": {
3 |         "squizlabs/php_codesniffer": "*"
4 |     }
5 | }
6 | 


--------------------------------------------------------------------------------
/standarts/indent.php:
--------------------------------------------------------------------------------
 1 | <?php
 2 | function tabber($spaces, $echo, ...$planets) : void
 3 | {
 4 |     $new = [];
 5 | 
 6 |     foreach ($planets as $planet) {
 7 |         $new[] = str_repeat('&nbsp;', $spaces) . $planet;
 8 |     }
 9 | 
10 |     $echo(...$new);
11 | }
12 | 


--------------------------------------------------------------------------------
/standarts/psr12.php:
--------------------------------------------------------------------------------
1 | <?php
2 | if (isset($_GET['number'])) {
3 |     for ($i = 0; $i < intval($_GET['number']); $i++) {
4 |         echo 'PSR<br />';
5 |     }
6 | } else {
7 |     echo 'Не передан GET-параметр number<br />';
8 | }
9 | 


--------------------------------------------------------------------------------
/standarts/psr1right.php:
--------------------------------------------------------------------------------
1 | <?php
2 | function dump(mixed $str) : void
3 | {
4 |     echo '<pre>';
5 |     print_r($str);
6 |     echo '</pre>';
7 | }
8 | 


--------------------------------------------------------------------------------
/standarts/vendors/hello.php:
--------------------------------------------------------------------------------
1 | <?php
2 | namespace Vendors\Hello;
3 | 
4 | class Hello
5 | {
6 | }
7 | 


--------------------------------------------------------------------------------
/standarts/vendors/page.php:
--------------------------------------------------------------------------------
 1 | <?php
 2 | namespace Vendors\Page;
 3 | 
 4 | abstract class Page
 5 | {
 6 |     protected static $counter;
 7 | 
 8 |     abstract protected function content();
 9 | 
10 |     final public static function count() : void
11 |     {
12 |         self::$counter++;
13 |     }
14 | }
15 | 


--------------------------------------------------------------------------------
/standarts/vendors/storage.php:
--------------------------------------------------------------------------------
 1 | <?php
 2 | namespace Vendors\Storage;
 3 | 
 4 | class Storage
 5 | {
 6 |     const VERSION = '1.0';
 7 |     public function getVersion() : string
 8 |     {
 9 |         return self::VERSION;
10 |     }
11 | }
12 | 


--------------------------------------------------------------------------------
/strings/array.php:
--------------------------------------------------------------------------------
1 | <?php
2 | $str = 'PHP';
3 | echo $str[0] . '<br />';
4 | echo $str[1] . '<br />';
5 | echo $str[2] . '<br />';
6 | 


--------------------------------------------------------------------------------
/strings/ascii.php:
--------------------------------------------------------------------------------
1 | <?php
2 | for ($code = 32; $code < 128; $code++) {
3 |     echo "code ($code) = " . chr($code) . '<br />';
4 | }
5 | 


--------------------------------------------------------------------------------
/strings/delete.php:
--------------------------------------------------------------------------------
1 | <?php
2 | $str = '[b]Это[/b] очень жирный [b]текст[/b].';
3 | $str = str_replace('[b]', '', $str);
4 | $str = str_replace('[/b]', '', $str);
5 | echo $str;
6 | 


--------------------------------------------------------------------------------
/strings/explode.php:
--------------------------------------------------------------------------------
1 | <?php
2 | $str = 'Имя, Фамилия, e-mail';
3 | echo '<pre>';
4 | print_r(explode(', ', $str)); // ['Имя', 'Фамилия', 'e-mail']
5 | 


--------------------------------------------------------------------------------
/strings/htmlspecialchars.php:
--------------------------------------------------------------------------------
1 | <?php
2 | $text = <<<html
3 |           <script language="JavaScript">
4 |           alert("Приветик!");
5 |           </script>
6 |         html;
7 | 
8 | echo htmlspecialchars($text);
9 | 


--------------------------------------------------------------------------------
/strings/implode.php:
--------------------------------------------------------------------------------
1 | <?php
2 | $arr = ['Сидоров', 'Иван', 'Петрович'];
3 | echo implode(', ', $arr); // Сидоров, Иван, Петрович
4 | 


--------------------------------------------------------------------------------
/strings/javascript.php:
--------------------------------------------------------------------------------
1 | <?php
2 | $text = <<<html
3 |           <script language="JavaScript">
4 |           alert("Приветик!");
5 |           </script>
6 |         html;
7 | 
8 | echo $text;
9 | 


--------------------------------------------------------------------------------
/strings/json_decode.php:
--------------------------------------------------------------------------------
1 | <?php
2 | $json = '{"employee":"Иван Иванов","phones":["916 153 2854","916 643 8420"]}';
3 | $arr = json_decode($json, true);
4 | echo '<pre>';
5 | print_r($arr);
6 | echo '</pre>';
7 | 


--------------------------------------------------------------------------------
/strings/json_encode.php:
--------------------------------------------------------------------------------
 1 | <?php
 2 | $arr = [
 3 |     'employee' => 'Иван Иванов',
 4 |     'phones' => [
 5 |         '916 153 2854',
 6 |         '916 643 8420'
 7 |     ]
 8 | ];
 9 | echo json_encode($arr);
10 | 


--------------------------------------------------------------------------------
/strings/json_encode_unescaped.php:
--------------------------------------------------------------------------------
 1 | <?php
 2 | $arr = [
 3 |     'employee' => 'Иван Иванов',
 4 |     'phones' => [
 5 |         '916 153 2854',
 6 |         '916 643 8420'
 7 |     ]
 8 | ];
 9 | echo json_encode($arr, JSON_UNESCAPED_UNICODE);
10 | 


--------------------------------------------------------------------------------
/strings/locale.php:
--------------------------------------------------------------------------------
1 | <?php
2 | echo setlocale(LC_ALL, 0); // ru_RU.UTF-8
3 | 


--------------------------------------------------------------------------------
/strings/locale_try.php:
--------------------------------------------------------------------------------
1 | <?php
2 | $loc = setlocale(LC_ALL, 'ru', 'ru_RU', 'rus', 'russian');
3 | echo "На этой системе русская локаль имеет имя '$loc'";
4 | 


--------------------------------------------------------------------------------
/strings/localeconv.php:
--------------------------------------------------------------------------------
1 | <?php
2 | setlocale(LC_ALL, 'ru_RU.UTF-8');
3 | 
4 | echo '<pre>';
5 | print_r(localeconv());
6 | echo '</pre>';
7 | 


--------------------------------------------------------------------------------
/strings/nl2br.php:
--------------------------------------------------------------------------------
 1 | <?php
 2 | $str = <<<text
 3 | hello
 4 | php
 5 | text;
 6 | 
 7 | echo $str;
 8 | echo '<br /><br />';
 9 | echo nl2br($str);
10 | 


--------------------------------------------------------------------------------
/strings/printf.php:
--------------------------------------------------------------------------------
1 | <?php
2 | printf('Первое число - %d', 26); // Первое число - 26
3 | 


--------------------------------------------------------------------------------
/strings/printf_color.php:
--------------------------------------------------------------------------------
1 | <?php
2 | $red = 255;
3 | $green = 255;
4 | $blue = 100;
5 | printf('#%X%X%X', $red, $green, $blue); // #FFFF64
6 | 


--------------------------------------------------------------------------------
/strings/printf_float.php:
--------------------------------------------------------------------------------
1 | <?php
2 | echo '<pre>';
3 | printf('%8.2f\n', 1000.45684); // 1000.46
4 | printf('%.2f\n', 12.92869);    // 12.93
5 | 


--------------------------------------------------------------------------------
/strings/printf_int.php:
--------------------------------------------------------------------------------
1 | <?php
2 | echo '<pre>';
3 | printf('% 5d\n', 45); // '   45'
4 | printf('%05d\n', 45); // '00045'
5 | echo '</pre>';
6 | 


--------------------------------------------------------------------------------
/strings/serialize.php:
--------------------------------------------------------------------------------
 1 | <?php
 2 | $numbers = [23, 45, 34, 2, 12];
 3 | 
 4 | // Упаковываем массив в строку
 5 | $str = serialize($numbers);
 6 | echo "$str<br />";
 7 | 
 8 | // Извлекаем массив из строки
 9 | $arr = unserialize($str);
10 | echo '<pre>';
11 | print_r($arr); // [23, 45, 34, 2, 12]
12 | echo '</pre>';
13 | 


--------------------------------------------------------------------------------
/strings/set_locale.php:
--------------------------------------------------------------------------------
1 | <?php
2 | echo setlocale(LC_MONETARY, 'ru_RU.UTF-8');
3 | 


--------------------------------------------------------------------------------
/strings/str_replace.php:
--------------------------------------------------------------------------------
1 | <?php
2 | $str = '[b]Это[/b] очень жирный [b]текст[/b].';
3 | $str = str_replace('[b]', '<b>', $str);
4 | $str = str_replace('[/b]', '</b>', $str);
5 | echo $str;
6 | 


--------------------------------------------------------------------------------
/strings/str_replace_array.php:
--------------------------------------------------------------------------------
1 | <?php
2 | $str = '[b]Это[/b] очень жирный [b]текст[/b].';
3 | echo str_replace(['[b]', '[/b]'], ['', ''], $str);
4 | 


--------------------------------------------------------------------------------
/strings/str_replace_count.php:
--------------------------------------------------------------------------------
1 | <?php
2 | $str = '[b]Это[/b] очень жирный [b]текст[/b].';
3 | echo str_replace(['[b]', '[/b]'], ['', ''], $str, $number);
4 | echo '<br />';
5 | echo "Осуществлено замен: $number";
6 | 


--------------------------------------------------------------------------------
/strings/strip_tags.php:
--------------------------------------------------------------------------------
 1 | <?php
 2 | $str = <<<html
 3 |           <p>Параграф.</p>
 4 |           <!-- Comment -->
 5 |           Еще немного текста
 6 |        html;
 7 | 
 8 | echo htmlspecialchars(strip_tags($str));
 9 | echo '<br />';
10 | echo htmlspecialchars(strip_tags($str, '<p>'));
11 | 


--------------------------------------------------------------------------------
/strings/strlen.php:
--------------------------------------------------------------------------------
1 | <?php
2 | $str = 'Привет, мир!';
3 | echo "В строке '$str' " . strlen($str) . " байт<br />"; // 21
4 | echo "В строке '$str' " . mb_strlen($str) . " символов<br />"; // 12
5 | 


--------------------------------------------------------------------------------
/strings/strpos.php:
--------------------------------------------------------------------------------
1 | <?php
2 | echo strpos('Hello, world!', 'world'); // 7
3 | 


--------------------------------------------------------------------------------
/strings/strpos_substr.php:
--------------------------------------------------------------------------------
1 | <?php
2 | $str = 'PHP - интерпретируемый язык';
3 | echo substr($str, strpos($str, 'интер')); // интерпретируемый язык
4 | 


--------------------------------------------------------------------------------
/strings/substr.php:
--------------------------------------------------------------------------------
1 | <?php
2 | $str = '04.05.2022';
3 | echo 'день - ' . substr($str, 0, 2) . '<br />';  // день - 04
4 | echo 'месяц - ' . substr($str, 3, 2) . '<br />'; // месяц - 05
5 | echo 'год - ' . substr($str, 6) . '<br />';      // год - 2022
6 | 


--------------------------------------------------------------------------------
/strings/trim.php:
--------------------------------------------------------------------------------
1 | <?php
2 | $str = '   Hello, world!   ';
3 | $trim_str = trim($str);
4 | $str_len = strlen($str);
5 | $trim_str_len = strlen($trim_str);
6 | echo " размер исходной строки '$str' = $str_len, <br />
7 | размер строки '$trim_str' после удаления пробелов = $trim_str_len";
8 | 


--------------------------------------------------------------------------------
/strings/utf8.php:
--------------------------------------------------------------------------------
1 | <?php
2 | echo "\u{0410}"; // А
3 | 


--------------------------------------------------------------------------------
/strings/utf8crash.php:
--------------------------------------------------------------------------------
1 | <?php
2 | $str = 'Hello world';
3 | echo "{$str[2]}<br />";
4 | 
5 | $str = 'Привет мир!';
6 | echo "{$str[2]}<br />";
7 | 


--------------------------------------------------------------------------------
/strings/wordwrap.php:
--------------------------------------------------------------------------------
1 | <?php
2 | $str = 'Здесь может быть любой текст';
3 | echo wordwrap($str, 10, '<br />');
4 | 


--------------------------------------------------------------------------------
/superblobals/document_root.php:
--------------------------------------------------------------------------------
1 | <?php
2 | echo $_SERVER['DOCUMENT_ROOT'];
3 | echo '<br />';
4 | echo __DIR__;
5 | 


--------------------------------------------------------------------------------
/superblobals/env.php:
--------------------------------------------------------------------------------
1 | <?php
2 | echo $_ENV['HELLO']; // world
3 | 


--------------------------------------------------------------------------------
/superblobals/fulladdress.php:
--------------------------------------------------------------------------------
1 | <?php
2 | echo 'http://' . $_SERVER['SERVER_NAME'] . $_SERVER['REQUEST_URI'];
3 | 


--------------------------------------------------------------------------------
/superblobals/page.php:
--------------------------------------------------------------------------------
1 | <?php
2 | echo "<a href='referer.php'>Ссылка на страницу PHP</a><br />";
3 | if (isset($_SERVER['HTTP_REFERER'])) {
4 |     echo $_SERVER['HTTP_REFERER'];
5 | }
6 | 


--------------------------------------------------------------------------------
/superblobals/query_string.php:
--------------------------------------------------------------------------------
1 | <?php
2 | if (isset($_SERVER['QUERY_STRING'])) {
3 |     echo urldecode($_SERVER['QUERY_STRING']);
4 | }
5 | 


--------------------------------------------------------------------------------
/superblobals/referer.php:
--------------------------------------------------------------------------------
1 | <?php
2 | echo "<a href='page.php'>Ссылка на страницу PHP</a><br />";
3 | if (isset($_SERVER['HTTP_REFERER'])) {
4 |     echo $_SERVER['HTTP_REFERER'];
5 | }
6 | 


--------------------------------------------------------------------------------
/superblobals/request_method.php:
--------------------------------------------------------------------------------
1 | <?php
2 | echo $_SERVER['REQUEST_METHOD']; // GET
3 | 


--------------------------------------------------------------------------------
/superblobals/server.php:
--------------------------------------------------------------------------------
1 | <?php
2 | echo "Имя сервера - {$_SERVER['SERVER_NAME']}<br />";
3 | echo "Порт сервера - {$_SERVER['SERVER_PORT']}<br />";
4 | echo "Веб-сервер - {$_SERVER['SERVER_SOFTWARE']}<br />";
5 | echo "Версия HTTP-протокола - {$_SERVER['SERVER_PROTOCOL']}<br />";
6 | 


--------------------------------------------------------------------------------
/superblobals/session_get.php:
--------------------------------------------------------------------------------
1 | <?php
2 | session_start();
3 | 
4 | echo '<pre>';
5 | print_r($_SESSION);
6 | echo '</pre>';
7 | 


--------------------------------------------------------------------------------
/superblobals/session_start.php:
--------------------------------------------------------------------------------
1 | <?php
2 | session_start();
3 | 
4 | $_SESSION['name'] = 'value';
5 | $_SESSION['arr'] = ['first', 'second', 'third'];
6 | 
7 | echo '<a href="session_get.php">другая страница</a>';
8 | 


--------------------------------------------------------------------------------
/traits/article.php:
--------------------------------------------------------------------------------
 1 | <?php
 2 | require_once 'topic.php';
 3 | require_once 'author.php';
 4 | require_once 'seo.php';
 5 | 
 6 | class Article extends Topic
 7 | {
 8 |     use Author;
 9 |     use Seo;
10 | }
11 | 


--------------------------------------------------------------------------------
/traits/article_use.php:
--------------------------------------------------------------------------------
 1 | <?php
 2 | require_once 'article.php';
 3 | 
 4 | $obj = new Article(
 5 |     'Заголовок',
 6 |     'Содержимое');
 7 | 
 8 | $obj->setAuthor(['Дмитрий Котеров', 'Игорь Симдянов']);
 9 | $obj->seo('SEO-заголовок');
10 | echo $obj->title(); // SEO-заголовок
11 | 


--------------------------------------------------------------------------------
/traits/author.php:
--------------------------------------------------------------------------------
 1 | <?php
 2 | trait Author
 3 | {
 4 |     public array $authors;
 5 | 
 6 |     public function getAuthor() : array
 7 |     {
 8 |         return $this->authors;
 9 |     }
10 |     public function setAuthor(array $authors) : void
11 |     {
12 |         $this->authors = $authors;
13 |     }
14 | }
15 | 


--------------------------------------------------------------------------------
/traits/backenduser.php:
--------------------------------------------------------------------------------
1 | <?php
2 | require_once 'user.php';
3 | class BackendUser extends User {}
4 | 


--------------------------------------------------------------------------------
/traits/image.php:
--------------------------------------------------------------------------------
 1 | <?php
 2 | trait Image
 3 | {
 4 |     private string $path;
 5 | 
 6 |     public function getImage() : string
 7 |     {
 8 |         return $this->path;
 9 |     }
10 |     public function setImage(string $path) : void
11 |     {
12 |         $this->path = $path;
13 |     }
14 | }
15 | 


--------------------------------------------------------------------------------
/traits/meta.php:
--------------------------------------------------------------------------------
1 | <?php
2 | require_once 'seo.php';
3 | require_once 'opengraph.php';
4 | 
5 | trait Meta
6 | {
7 |     use Seo, OpenGraph;
8 | }
9 | 


--------------------------------------------------------------------------------
/traits/moderator.php:
--------------------------------------------------------------------------------
1 | <?php
2 | require_once 'backenduser.php';
3 | require_once 'image.php';
4 | 
5 | class Moderator extends BackendUser
6 | {
7 |     use Image;
8 | }
9 | 


--------------------------------------------------------------------------------
/traits/moderator_name.php:
--------------------------------------------------------------------------------
 1 | <?php
 2 | require_once 'backenduser.php';
 3 | require_once 'image.php';
 4 | require_once 'name.php';
 5 | 
 6 | class Moderator extends BackendUser
 7 | {
 8 |     use Image;
 9 |     use Name;
10 | }
11 | 


--------------------------------------------------------------------------------
/traits/moderator_name_asterisk.php:
--------------------------------------------------------------------------------
 1 | <?php
 2 | require_once 'backenduser.php';
 3 | require_once 'image.php';
 4 | require_once 'name.php';
 5 | 
 6 | class Moderator extends BackendUser
 7 | {
 8 |     use Image;
 9 |     use Name;
10 | 
11 |     public function fullName() : string
12 |     {
13 |         return parent::fullName() . '*';
14 |     }
15 | }
16 | 


--------------------------------------------------------------------------------
/traits/moderator_name_asterisk_use.php:
--------------------------------------------------------------------------------
 1 | <?php
 2 | require_once('moderator_name_asterisk.php');
 3 | 
 4 | $user = new Moderator(
 5 |     'igorsimdyanov@gmail.com',
 6 |     'password',
 7 |     'Игорь',
 8 |     'Симдянов');
 9 | 
10 | echo $user->fullName(); // Игорь Симдянов*
11 | 


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/traits/moderator_name_use.php:
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 1 | <?php
 2 | require_once 'moderator_name.php';
 3 | 
 4 | $user = new Moderator(
 5 |     'igorsimdyanov@gmail.com',
 6 |     'password',
 7 |     'Игорь',
 8 |     'Симдянов');
 9 | 
10 | echo $user->fullName(); // Игорь Симдянов (модератор)
11 | 


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/traits/moderator_use.php:
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 1 | <?php
 2 | require_once 'moderator.php';
 3 | 
 4 | $user = new Moderator(
 5 |     'igorsimdyanov@gmail.com',
 6 |     'password',
 7 |     'Игорь',
 8 |     'Симдянов');
 9 | 
10 | $user->setImage('avatar.png');
11 | echo $user->getImage(); // avatar.png
12 | 


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/traits/name.php:
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1 | <?php
2 | trait Name
3 | {
4 |     public function fullName() : string
5 |     {
6 |         return parent::fullName() . ' (модератор)';
7 |     }
8 | }
9 | 


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/traits/opengraph.php:
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 1 | <?php
 2 | trait OpenGraph
 3 | {
 4 |     public ?string $og_title;
 5 |     public ?string $og_type;
 6 |     public ?string $og_sitename;
 7 |     public ?string $og_description;
 8 |     public ?string $og_url;
 9 |     public ?string $og_image;
10 | }
11 | 


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/traits/tag.php:
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 1 | <?php
 2 | trait Tag
 3 | {
 4 |     public function tags() : void
 5 |     {
 6 |         echo 'Tag::tags<br />';
 7 |     }
 8 |     public function themes() : void
 9 |     {
10 |         echo 'Tag::themes<br />';
11 |     }
12 | }
13 | 


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/traits/theme.php:
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 1 | <?php
 2 | trait Theme
 3 | {
 4 |     public function tags() : void
 5 |     {
 6 |         echo 'Theme::tags<br />';
 7 |     }
 8 |     public function themes() : void
 9 |     {
10 |         echo 'Theme::themes<br />';
11 |     }
12 | }
13 | 


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/upload/upload_max_filesize.php:
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1 | <?php
2 | echo ini_get('upload_max_filesize'); // 2M
3 | 


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/variables/back_quotes.php:
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1 | <?php
2 | // echo `ls -l`; // UNIX
3 | echo `dir`;      // Windows
4 | 


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/variables/boolean.php:
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1 | <?php
2 | $bool = true;
3 | 


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/variables/boolean_inc.php:
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1 | <?php
2 | $b = true;
3 | echo "b: $b<br />";
4 | $b++;
5 | echo "b: $b<br />";
6 | 


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/variables/cast.php:
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1 | <?php
2 | $str = '12.6';
3 | $number = 3 + $str;
4 | echo $number; // 15.6
5 | 


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/variables/cast_boolean.php:
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 1 | <?php
 2 | $float = 0.0;
 3 | if ($float) { // false
 4 |     echo 'Переменная $float рассматривается как true';
 5 | }
 6 | 
 7 | $str = "Hello, world!";
 8 | if ($str) { // true
 9 |     echo 'Переменная $str рассматривается как true';
10 | }
11 | 


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/variables/cast_integer.php:
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1 | <?php
2 | $price = 3_500;
3 | echo "Цена билета " . $price; // Цена билета 3500
4 | 


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/variables/cast_string.php:
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1 | <?php
2 | echo '12wet56.7' + 10; // 12 + 10 = 22
3 | echo '<br />';
4 | echo 14 + 'четырнадцать'; // 14 + 0 = 14
5 | 


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/variables/double.php:
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1 | <?php
2 | $x = 0.00012;
3 | $y = 1.2e-4;
4 | $x = 346.1256;
5 | $y = 3.461256e+2;
6 | 


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/variables/double_to_int.php:
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1 | <?php
2 | // Объявляем вещественную переменную
3 | $double = 4.863;
4 | // Преобразуем переменную $float к целому типу
5 | $number = (int)$double;
6 | 
7 | echo $number; // 4
8 | 


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/variables/echo_boolean.php:
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1 | <?php
2 | echo true;  // "1"
3 | echo false; // ""
4 | 


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/variables/empty.php:
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 1 | <?php
 2 | // Объявляем пустую переменную
 3 | $str = '';
 4 | 
 5 | // Проверяем существование переменной
 6 | if (isset($str)) { // true
 7 |     echo 'Переменная $str существует<br />';
 8 | }
 9 | 
10 | // Проверяем, не пустая ли переменная
11 | if (empty($str)) { // true
12 |     echo 'Переменная $str пустая<br />';
13 | }
14 | 


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/variables/heredoc.php:
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1 | <?php
2 | $str = <<< HTML_END
3 | Здесь располагается любой текст. До тех пор, пока не встретится
4 | метка, можно писать все что угодно
5 | HTML_END;
6 | echo $str;
7 | 


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/variables/inf.php:
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1 | <?php
2 | echo 1.8e307;  // 1.8E+307
3 | echo 1.8e308;  // INF
4 | echo -1.8e308; // -INF
5 | 


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/variables/integer_binary.php:
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1 | <?php
2 | echo 0b1010101; // 85


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/variables/integer_format.php:
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1 | <?php
2 | echo 2000000 + 1900200;     // 3900200
3 | echo 2_000_000 + 1_900_200; // 3900200
4 | 


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/variables/integer_hex.php:
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1 | <?php
2 | echo 0xffcc00; // 16763904
3 | 


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/variables/integer_octal.php:
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1 | <?php
2 | echo 0755;  // 493
3 | echo 0o755; // 493
4 | 


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/variables/integer_sign.php:
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1 | <?php
2 | $num = 1234; // десятичное число
3 | $num = +123; // десятичное число
4 | $num = -123; // отрицательное число
5 | 


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/variables/interpolation.php:
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1 | <?php
2 | $str = 123;
3 | echo "Значение переменной - $str"; // Значение переменной - 123
4 | 


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/variables/interpolation_escape.php:
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1 | <?php
2 | $str = 123;
3 | echo "Значение переменной - \$str"; // Значение переменной - $str
4 | 


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/variables/interpolation_quotes.php:
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1 | <?php
2 | $text = "Паро";
3 | echo "Едет {$text}воз<br />";   // Едет Паровоз
4 | echo "Плывет {$text}ход<br />"; // Плывет Пароход
5 | 
6 | echo "Едет $textвоз<br />";     // PHP Warning:  Undefined variable $textвоз
7 | echo "Плывет $textход<br />";   // PHP Warning:  Undefined variable $textход
8 | 


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/variables/is_even.php:
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 1 | <?php
 2 | $number = 15;
 3 | 
 4 | $flag = (float)($number / 2) - (int)($number / 2);
 5 | 
 6 | // Определяем статус числа
 7 | if ($flag) { // true, т. к. $flag == 0.5
 8 |      echo "Число $number нечетное";
 9 | } else {
10 |      echo "Число $number четное";
11 | }
12 | 


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/variables/keywords.php:
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1 | <?php
2 | $echo = 'echo';
3 | $foreach = 'foreach';
4 | echo $echo;
5 | echo $foreach;
6 | 


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/variables/link.php:
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1 | <?php
2 | $a = 10;
3 | $b = &$a;              // теперь $b - то же самое, что и $a
4 | $b = 0;                // на самом деле $a = 0
5 | echo "b = $b, a = $a"; // выводит "b = 0, a = 0"
6 | 


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/variables/link_array.php:
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1 | <?php
2 | $arr = [
3 |     'ресторан' => 'Китайский сюрприз',
4 |     'девиз'    => 'Nosce te computerus.'
5 | ];
6 | $r = &$arr['ресторан']; // $r - то же, что и элемент с индексом 'ресторан'
7 | $r = "Восход луны";     // на самом деле $A['ресторан'] = "Восход луны";
8 | echo $arr['ресторан'];  // выводит "Восход луны"
9 | 


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/variables/link_symbolic.php:
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1 | <?php
2 | $right = "красная";
3 | $wrong = "синяя";
4 | $color = "right";
5 | echo $$color;        // выводит значение переменной $right ("красная")
6 | $$color = "несиняя"; // присваивает переменной $right новое значение
7 | 


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/variables/max_int.php:
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1 | <?php
2 | echo PHP_INT_MAX; // 9223372036854775807
3 | 


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/variables/multi_set.php:
--------------------------------------------------------------------------------
1 | <?php
2 | $num = $number = $var = 1;
3 | 


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/variables/nan.php:
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1 | <?php
2 | echo sqrt(-1); // NAN
3 | 


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/variables/not_exist_var.php:
--------------------------------------------------------------------------------
1 | <?php
2 | echo $var; // PHP Warning:  Undefined variable $var
3 | 


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/variables/nowdoc.php:
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1 | <?php
2 | $name = "Имя пользователя";
3 | $str = <<<'HTML_END'
4 | Переменные PHP не будут интерполироваться: $name
5 | HTML_END;
6 | echo $str;


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/variables/null.php:
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1 | <?php
2 | $var = null;
3 | echo $var;
4 | echo $arr;


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/variables/number_set.php:
--------------------------------------------------------------------------------
1 | <?php
2 | $number = 1;
3 | $var = 3.14;
4 | 


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/variables/price_var.php:
--------------------------------------------------------------------------------
1 | <?php
2 | $price = 3000;
3 | $price_vip = $price + 500;
4 | echo "Цена билета: $price<br />";                      # 3000
5 | echo "Цена билета на хорошее место: $price_vip<br />"; # 3500
6 | 


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/variables/print_r.php:
--------------------------------------------------------------------------------
 1 | <?php
 2 | $arr = [
 3 |     'a'=>'apple',
 4 |     'b'=>'banana',
 5 |     'c'=> ['x', 'y', 'z']
 6 | ];
 7 | 
 8 | echo "<pre>";
 9 | print_r($arr);
10 | echo "</pre>";
11 | 


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/variables/print_r_return.php:
--------------------------------------------------------------------------------
 1 | <?php
 2 | $arr = [
 3 |     'a'=>'apple',
 4 |     'b'=>'banana',
 5 |     'c'=> ['x', 'y', 'z']
 6 | ];
 7 | 
 8 | $result = print_r($arr, true);
 9 | 
10 | echo "<pre>";
11 | echo $result;
12 | echo "</pre>";
13 | 


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/variables/quotes.php:
--------------------------------------------------------------------------------
1 | <?php
2 | echo "Переменная принимает значение '345'";
3 | echo 'Проект "Бездна" - самый дорогой проект в истории...';
4 | 


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/variables/quotes_escape.php:
--------------------------------------------------------------------------------
1 | <?php
2 | echo "Проект \"Бездна\" - самый дорогой проект в истории...";
3 | 


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/variables/quotes_unsecape.php:
--------------------------------------------------------------------------------
1 | <?php
2 | $str = 123;
3 | echo 'Значение переменной - $str'; // Значение переменной - $str
4 | 


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/variables/string.php:
--------------------------------------------------------------------------------
1 | <?php
2 | $str = "Hello, world!";
3 | echo $str;
4 | 


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/variables/string_chars.rb:
--------------------------------------------------------------------------------
1 | <?php
2 | $str = "Hello, world!";
3 | echo "$str[2]$str[4]$str[9]$str[11]"; // lord
4 | 


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/variables/string_index.php:
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1 | <?php
2 | $str = 'Hello, world!';
3 | echo $str[0]; // H
4 | 


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/variables/string_warning.php:
--------------------------------------------------------------------------------
1 | <?php
2 | $str = 'Hello, world!';
3 | echo $str[13]; // PHP Warning:  Uninitialized string offset 13
4 | 


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/variables/this.php:
--------------------------------------------------------------------------------
1 | <?php
2 | $this = 'this.php'; // PHP Fatal error:  Cannot re-assign $this
3 | 


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/variables/type_restriction.php:
--------------------------------------------------------------------------------
1 | <?php
2 | $first = 1;
3 | $second = 2;
4 | echo $first + $second; // 3
5 | 
6 | $greeting = 'Hello, ';
7 | $subject = 'PHP!';
8 | echo $greeting . $subject; // Hello, PHP!
9 | echo $greeting + $subject; // Fatal error: Uncaught TypeError: Unsupported operand types: string + string


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/variables/unset.php:
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 1 | <?php
 2 | // Переменная $a еще не существует
 3 | $a = "Hello there!";
 4 | // Теперь $a инициализирована
 5 | // ... какие-то команды, использующие $a
 6 | echo $a;
 7 | // А теперь удалим переменную $a
 8 | unset($a);
 9 | // Теперь переменная $a опять не существует
10 | echo $a;  // PHP Warning:  Undefined variable $a
11 | 


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/variables/var_dump.php:
--------------------------------------------------------------------------------
 1 | <?php
 2 | $arr = [
 3 |     1,
 4 |     ["a", "b"]
 5 | ];
 6 | 
 7 | echo "<pre>";
 8 | var_dump($arr);
 9 | echo "</pre>";
10 | 


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/variables/variable.php:
--------------------------------------------------------------------------------
1 | <?php
2 | $price = 3000;
3 | $price_vip = $price + 500;
4 | $price_vip = "неизвестно";
5 | echo $price_vip; // неизвестно
6 | 


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