├── EXPERIMENTAL
├── CREDITS
├── tests
    ├── haversine.phpt
    └── 001.phpt
├── config.w32
├── geospatial.php
├── .gitignore
├── LICENSE
├── php_geospatial.h
├── config.m4
└── geospatial.c


/EXPERIMENTAL:
--------------------------------------------------------------------------------
1 | 


--------------------------------------------------------------------------------
/CREDITS:
--------------------------------------------------------------------------------
1 | PHP geospatial extension
2 | 
3 | Finally commenced at PHPNW12
4 | 
5 | Marcus Deglos <marcus@deglos.com>
6 | Michael Maclean <mgdm@php.net>
7 | Ryan Mauger <ryan@rmauger.co.uk>
8 | 
9 | 


--------------------------------------------------------------------------------
/tests/haversine.phpt:
--------------------------------------------------------------------------------
 1 | --TEST--
 2 | haversine() function  - bastic test for haversine forumla
 3 | --FILE--
 4 | <?php
 5 | $lat1 = 39.06546;
 6 | $lon1 = -104.88544;
 7 |    
 8 | $lat2 = $lat1;
 9 | $lon2 = -104.80;
10 | var_dump(haversine($lat1, $lon1, $lat2, $lon2));
11 | ?>
12 | --EXPECT--
13 | float(7.3785163137969)
14 | 


--------------------------------------------------------------------------------
/config.w32:
--------------------------------------------------------------------------------
 1 | // $Id$
 2 | // vim:ft=javascript
 3 | 
 4 | // If your extension references something external, use ARG_WITH
 5 | // ARG_WITH("geospatial", "for geospatial support", "no");
 6 | 
 7 | // Otherwise, use ARG_ENABLE
 8 | // ARG_ENABLE("geospatial", "enable geospatial support", "no");
 9 | 
10 | if (PHP_GEOSPATIAL != "no") {
11 | 	EXTENSION("geospatial", "geospatial.c");
12 | }
13 | 
14 | 


--------------------------------------------------------------------------------
/geospatial.php:
--------------------------------------------------------------------------------
 1 | <?php
 2 | $br = (php_sapi_name() == "cli")? "":"<br>";
 3 | 
 4 | if(!extension_loaded('geospatial')) {
 5 | 	dl('geospatial.' . PHP_SHLIB_SUFFIX);
 6 | }
 7 | $module = 'geospatial';
 8 | $functions = get_extension_funcs($module);
 9 | echo "Functions available in the test extension:$br\n";
10 | foreach($functions as $func) {
11 |     echo $func."$br\n";
12 | }
13 | echo "$br\n";
14 | $function = 'confirm_' . $module . '_compiled';
15 | if (extension_loaded($module)) {
16 | 	$str = $function($module);
17 | } else {
18 | 	$str = "Module $module is not compiled into PHP";
19 | }
20 | echo "$str\n";
21 | ?>
22 | 


--------------------------------------------------------------------------------
/tests/001.phpt:
--------------------------------------------------------------------------------
 1 | --TEST--
 2 | Check for geospatial presence
 3 | --SKIPIF--
 4 | <?php if (!extension_loaded("geospatial")) print "skip"; ?>
 5 | --FILE--
 6 | <?php 
 7 | echo "geospatial extension is available";
 8 | /*
 9 | 	you can add regression tests for your extension here
10 | 
11 |   the output of your test code has to be equal to the
12 |   text in the --EXPECT-- section below for the tests
13 |   to pass, differences between the output and the
14 |   expected text are interpreted as failure
15 | 
16 | 	see php5/README.TESTING for further information on
17 |   writing regression tests
18 | */
19 | ?>
20 | --EXPECT--
21 | geospatial extension is available
22 | 


--------------------------------------------------------------------------------
/.gitignore:
--------------------------------------------------------------------------------
 1 | /.deps
 2 | /Makefile
 3 | /*.lo
 4 | /*.loT
 5 | /*.slo
 6 | /*.mk
 7 | /*.la
 8 | /.libs
 9 | /libs.mk
10 | /ac*.m4
11 | /build
12 | /config.h
13 | /config.h.in
14 | /config.nice
15 | /config.sub
16 | /configure
17 | /configure.in
18 | /config.status
19 | /config.cache
20 | /conftest
21 | /conftest.c
22 | /core
23 | /dynlib.m4
24 | /install-sh
25 | /ltmain.sh
26 | /include
27 | /Makefile.fragments
28 | /Makefile.global
29 | /Makefile.objects
30 | /missing
31 | /mkinstalldirs
32 | /modules
33 | /scan_makefile_in.awk
34 | /config.guess
35 | /*swp
36 | /config.log
37 | /libtool
38 | /Debug
39 | /Release
40 | /Debug_TS
41 | /Release_TS
42 | /*.plg
43 | /*.patch
44 | /*.tgz
45 | /*.ncb
46 | /*.opt
47 | /*.dsw
48 | /autom4te.cache
49 | /run-tests-config.php
50 | /run-tests.php
51 | /tmp-php.ini
52 | .svn
53 | 


--------------------------------------------------------------------------------
/LICENSE:
--------------------------------------------------------------------------------
 1 | Copyright (c) 2012, Marcus Deglos.
 2 | All rights reserved.
 3 | 
 4 | Redistribution and use in source and binary forms, with or without
 5 | modification, are permitted provided that the following conditions are met:
 6 |     * Redistributions of source code must retain the above copyright
 7 |       notice, this list of conditions and the following disclaimer.
 8 |     * Redistributions in binary form must reproduce the above copyright
 9 |       notice, this list of conditions and the following disclaimer in the
10 |       documentation and/or other materials provided with the distribution.
11 |     * Neither the name of the <organization> nor the
12 |       names of its contributors may be used to endorse or promote products
13 |       derived from this software without specific prior written permission.
14 | 
15 | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
16 | ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
17 | WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
18 | DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> BE LIABLE FOR ANY
19 | DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
20 | (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
21 | LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
22 | ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23 | (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
24 | SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25 | 
26 | 


--------------------------------------------------------------------------------
/php_geospatial.h:
--------------------------------------------------------------------------------
 1 | /*
 2 |   +----------------------------------------------------------------------+
 3 |   | PHP Version 5                                                        |
 4 |   +----------------------------------------------------------------------+
 5 |   | Copyright (c) 1997-2012 The PHP Group                                |
 6 |   +----------------------------------------------------------------------+
 7 |   | This source file is subject to version 3.01 of the PHP license,      |
 8 |   | that is bundled with this package in the file LICENSE, and is        |
 9 |   | available through the world-wide-web at the following url:           |
10 |   | http://www.php.net/license/3_01.txt                                  |
11 |   | If you did not receive a copy of the PHP license and are unable to   |
12 |   | obtain it through the world-wide-web, please send a note to          |
13 |   | license@php.net so we can mail you a copy immediately.               |
14 |   +----------------------------------------------------------------------+
15 |   | Author:                                                              |
16 |   +----------------------------------------------------------------------+
17 | */
18 | 
19 | /* $Id$ */
20 | 
21 | #ifndef PHP_GEOSPATIAL_H
22 | #define PHP_GEOSPATIAL_H
23 | 
24 | extern zend_module_entry geospatial_module_entry;
25 | #define phpext_geospatial_ptr &geospatial_module_entry
26 | 
27 | #ifdef PHP_WIN32
28 | #	define PHP_GEOSPATIAL_API __declspec(dllexport)
29 | #elif defined(__GNUC__) && __GNUC__ >= 4
30 | #	define PHP_GEOSPATIAL_API __attribute__ ((visibility("default")))
31 | #else
32 | #	define PHP_GEOSPATIAL_API
33 | #endif
34 | 
35 | #ifdef ZTS
36 | #include "TSRM.h"
37 | #endif
38 | 
39 | #define GEO_DEG_TO_RAD 0.017453292519943295769236907684886
40 | #define GEO_EARTH_RADIUS_IN_METERS 6372.797560856
41 | 
42 | PHP_MINIT_FUNCTION(geospatial);
43 | PHP_MINFO_FUNCTION(geospatial);
44 | 
45 | PHP_FUNCTION(haversine);
46 | 
47 | #endif	/* PHP_GEOSPATIAL_H */
48 | 
49 | /*
50 |  * Local variables:
51 |  * tab-width: 4
52 |  * c-basic-offset: 4
53 |  * End:
54 |  * vim600: noet sw=4 ts=4 fdm=marker
55 |  * vim<600: noet sw=4 ts=4
56 |  */
57 | 


--------------------------------------------------------------------------------
/config.m4:
--------------------------------------------------------------------------------
 1 | dnl $Id$
 2 | dnl config.m4 for extension geospatial
 3 | 
 4 | dnl Comments in this file start with the string 'dnl'.
 5 | dnl Remove where necessary. This file will not work
 6 | dnl without editing.
 7 | 
 8 | dnl If your extension references something external, use with:
 9 | 
10 | dnl PHP_ARG_WITH(geospatial, for geospatial support,
11 | dnl Make sure that the comment is aligned:
12 | dnl [  --with-geospatial             Include geospatial support])
13 | 
14 | dnl Otherwise use enable:
15 | 
16 | PHP_ARG_ENABLE(geospatial, whether to enable geospatial support,
17 | [  --enable-geospatial           Enable geospatial support])
18 | 
19 | if test "$PHP_GEOSPATIAL" != "no"; then
20 |   dnl Write more examples of tests here...
21 | 
22 |   dnl # --with-geospatial -> check with-path
23 |   dnl SEARCH_PATH="/usr/local /usr"     # you might want to change this
24 |   dnl SEARCH_FOR="/include/geospatial.h"  # you most likely want to change this
25 |   dnl if test -r $PHP_GEOSPATIAL/$SEARCH_FOR; then # path given as parameter
26 |   dnl   GEOSPATIAL_DIR=$PHP_GEOSPATIAL
27 |   dnl else # search default path list
28 |   dnl   AC_MSG_CHECKING([for geospatial files in default path])
29 |   dnl   for i in $SEARCH_PATH ; do
30 |   dnl     if test -r $i/$SEARCH_FOR; then
31 |   dnl       GEOSPATIAL_DIR=$i
32 |   dnl       AC_MSG_RESULT(found in $i)
33 |   dnl     fi
34 |   dnl   done
35 |   dnl fi
36 |   dnl
37 |   dnl if test -z "$GEOSPATIAL_DIR"; then
38 |   dnl   AC_MSG_RESULT([not found])
39 |   dnl   AC_MSG_ERROR([Please reinstall the geospatial distribution])
40 |   dnl fi
41 | 
42 |   dnl # --with-geospatial -> add include path
43 |   dnl PHP_ADD_INCLUDE($GEOSPATIAL_DIR/include)
44 | 
45 |   dnl # --with-geospatial -> check for lib and symbol presence
46 |   dnl LIBNAME=geospatial # you may want to change this
47 |   dnl LIBSYMBOL=geospatial # you most likely want to change this 
48 | 
49 |   dnl PHP_CHECK_LIBRARY($LIBNAME,$LIBSYMBOL,
50 |   dnl [
51 |   dnl   PHP_ADD_LIBRARY_WITH_PATH($LIBNAME, $GEOSPATIAL_DIR/lib, GEOSPATIAL_SHARED_LIBADD)
52 |   dnl   AC_DEFINE(HAVE_GEOSPATIALLIB,1,[ ])
53 |   dnl ],[
54 |   dnl   AC_MSG_ERROR([wrong geospatial lib version or lib not found])
55 |   dnl ],[
56 |   dnl   -L$GEOSPATIAL_DIR/lib -lm
57 |   dnl ])
58 |   dnl
59 |   dnl PHP_SUBST(GEOSPATIAL_SHARED_LIBADD)
60 | 
61 |   PHP_NEW_EXTENSION(geospatial, geospatial.c, $ext_shared)
62 | fi
63 | 


--------------------------------------------------------------------------------
/geospatial.c:
--------------------------------------------------------------------------------
  1 | /*
  2 |   +----------------------------------------------------------------------+
  3 |   | PHP Version 5                                                        |
  4 |   +----------------------------------------------------------------------+
  5 |   | Copyright (c) 1997-2012 The PHP Group                                |
  6 |   +----------------------------------------------------------------------+
  7 |   | This source file is subject to version 3.01 of the PHP license,      |
  8 |   | that is bundled with this package in the file LICENSE, and is        |
  9 |   | available through the world-wide-web at the following url:           |
 10 |   | http://www.php.net/license/3_01.txt                                  |
 11 |   | If you did not receive a copy of the PHP license and are unable to   |
 12 |   | obtain it through the world-wide-web, please send a note to          |
 13 |   | license@php.net so we can mail you a copy immediately.               |
 14 |   +----------------------------------------------------------------------+
 15 |   | Author:                                                              |
 16 |   +----------------------------------------------------------------------+
 17 | */
 18 | 
 19 | /* $Id$ */
 20 | 
 21 | #ifdef HAVE_CONFIG_H
 22 | #include "config.h"
 23 | #endif
 24 | 
 25 | #include "php.h"
 26 | #include "php_ini.h"
 27 | #include "ext/standard/info.h"
 28 | #include "php_geospatial.h"
 29 | 
 30 | ZEND_BEGIN_ARG_INFO(haversine_args,ZEND_SEND_BY_VAL)
 31 | 	ZEND_ARG_INFO(0,fromLatitude)
 32 | 	ZEND_ARG_INFO(0,fromLongitude)
 33 | 	ZEND_ARG_INFO(0,toLatitude)
 34 | 	ZEND_ARG_INFO(0,toLongitude)
 35 | ZEND_END_ARG_INFO()
 36 | 
 37 | /* {{{ geospatial_functions[]
 38 |  *
 39 |  * Every user visible function must have an entry in geospatial_functions[].
 40 |  */
 41 | const zend_function_entry geospatial_functions[] = {
 42 | 	PHP_FE(haversine, haversine_args)		/* For testing, remove later. */
 43 | 	PHP_FE_END	/* Must be the last line in geospatial_functions[] */
 44 | };
 45 | /* }}} */
 46 | 
 47 | /* {{{ geospatial_module_entry
 48 |  */
 49 | zend_module_entry geospatial_module_entry = {
 50 | #if ZEND_MODULE_API_NO >= 20010901
 51 | 	STANDARD_MODULE_HEADER,
 52 | #endif
 53 | 	"geospatial",
 54 | 	geospatial_functions,
 55 | 	PHP_MINIT(geospatial),
 56 | 	NULL,
 57 | 	NULL,
 58 | 	NULL,
 59 | 	PHP_MINFO(geospatial),
 60 | #if ZEND_MODULE_API_NO >= 20010901
 61 | 	"0.1", /* Replace with version number for your extension */
 62 | #endif
 63 | 	STANDARD_MODULE_PROPERTIES
 64 | };
 65 | /* }}} */
 66 | 
 67 | #ifdef COMPILE_DL_GEOSPATIAL
 68 | ZEND_GET_MODULE(geospatial)
 69 | #endif
 70 | 
 71 | /* {{{ PHP_MINIT_FUNCTION
 72 |  */
 73 | PHP_MINIT_FUNCTION(geospatial)
 74 | {
 75 | 	return SUCCESS;
 76 | }
 77 | /* }}} */
 78 | 
 79 | /* {{{ PHP_MSHUTDOWN_FUNCTION
 80 |  */
 81 | PHP_MSHUTDOWN_FUNCTION(geospatial)
 82 | {
 83 | 	return SUCCESS;
 84 | }
 85 | /* }}} */
 86 | 
 87 | /* {{{ PHP_MINFO_FUNCTION
 88 |  */
 89 | PHP_MINFO_FUNCTION(geospatial)
 90 | {
 91 | 	php_info_print_table_start();
 92 | 	php_info_print_table_header(2, "Geospatial functions", "enabled");
 93 | 	php_info_print_table_end();
 94 | }
 95 | /* }}} */
 96 | 
 97 | 
 98 | PHP_FUNCTION(haversine)
 99 | {
100 | 	double fromLat, fromLong, toLat, toLong, deltaLat, deltaLong;
101 | 	double latH, longH, result;
102 | 	if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "dddd", &fromLat, &fromLong, &toLat, &toLong) == FAILURE) {
103 | 		return;
104 | 	}
105 | 
106 | 	deltaLat = (fromLat - toLat) * GEO_DEG_TO_RAD;
107 | 	deltaLong = (fromLong - toLong) * GEO_DEG_TO_RAD;
108 | 
109 | 	latH = sin(deltaLat * 0.5);
110 | 	latH *= latH;
111 | 	longH = sin(deltaLong * 0.5);
112 | 	longH *= longH;
113 | 
114 | 	result = cos(fromLat * GEO_DEG_TO_RAD) * cos(toLat * GEO_DEG_TO_RAD);
115 | 	result = GEO_EARTH_RADIUS_IN_METERS * 2.0 * asin(sqrt(latH + result * longH));
116 | 	RETURN_DOUBLE(result);
117 | }
118 | 
119 | /*
120 |  * Local variables:
121 |  * tab-width: 4
122 |  * c-basic-offset: 4
123 |  * End:
124 |  * vim600: noet sw=4 ts=4 fdm=marker
125 |  * vim<600: noet sw=4 ts=4
126 |  */
127 | 


--------------------------------------------------------------------------------