├── .gitignore
├── AnonymousFunction.php
├── ArrayFunction.php
├── ArrowFunction.php
├── Break.php
├── CallbackFunction.php
├── Constant.php
├── Continue.php
├── DoWhileLoop.php
├── FactorialFunction.php
├── ForEach.php
├── ForLoop.php
├── Function.php
├── FunctionArgument.php
├── FunctionReturnValue.php
├── GoTo.php
├── HelloWorld.php
├── IfStatement.php
├── IncrementDanDecrement.php
├── IsFunction.php
├── Komentar.php
├── Lib
    └── MyFunction.php
├── ManipulasiString.php
├── NullCoalescingOperator.php
├── OperatorAritmatika.php
├── OperatorArray.php
├── OperatorLogika.php
├── OperatorPenugasan.php
├── OperatorPerbandingan.php
├── Reference.php
├── RequireDanInclude.php
├── StringFunction.php
├── SwitchStatement.php
├── TernaryOperator.php
├── TipeDataArray.php
├── TipeDataBoolean.php
├── TipeDataNull.php
├── TipeDataNumber.php
├── TipeDataString.php
├── Variable.php
├── VariableFunction.php
├── VariableLocalScope.php
├── VariableScope.php
├── VariableStaticScope.php
└── WhileLoop.php


/.gitignore:
--------------------------------------------------------------------------------
 1 | # Created by .ignore support plugin (hsz.mobi)
 2 | ### JetBrains template
 3 | # Covers JetBrains IDEs: IntelliJ, RubyMine, PhpStorm, AppCode, PyCharm, CLion, Android Studio, WebStorm and Rider
 4 | # Reference: https://intellij-support.jetbrains.com/hc/en-us/articles/206544839
 5 | 
 6 | .idea
 7 | # User-specific stuff
 8 | .idea/**/workspace.xml
 9 | .idea/**/tasks.xml
10 | .idea/**/usage.statistics.xml
11 | .idea/**/dictionaries
12 | .idea/**/shelf
13 | 
14 | # Generated files
15 | .idea/**/contentModel.xml
16 | 
17 | # Sensitive or high-churn files
18 | .idea/**/dataSources/
19 | .idea/**/dataSources.ids
20 | .idea/**/dataSources.local.xml
21 | .idea/**/sqlDataSources.xml
22 | .idea/**/dynamic.xml
23 | .idea/**/uiDesigner.xml
24 | .idea/**/dbnavigator.xml
25 | 
26 | # Gradle
27 | .idea/**/gradle.xml
28 | .idea/**/libraries
29 | 
30 | # Gradle and Maven with auto-import
31 | # When using Gradle or Maven with auto-import, you should exclude module files,
32 | # since they will be recreated, and may cause churn.  Uncomment if using
33 | # auto-import.
34 | # .idea/artifacts
35 | # .idea/compiler.xml
36 | # .idea/jarRepositories.xml
37 | # .idea/modules.xml
38 | # .idea/*.iml
39 | # .idea/modules
40 | # *.iml
41 | # *.ipr
42 | 
43 | # CMake
44 | cmake-build-*/
45 | 
46 | # Mongo Explorer plugin
47 | .idea/**/mongoSettings.xml
48 | 
49 | # File-based project format
50 | *.iws
51 | 
52 | # IntelliJ
53 | out/
54 | 
55 | # mpeltonen/sbt-idea plugin
56 | .idea_modules/
57 | 
58 | # JIRA plugin
59 | atlassian-ide-plugin.xml
60 | 
61 | # Cursive Clojure plugin
62 | .idea/replstate.xml
63 | 
64 | # Crashlytics plugin (for Android Studio and IntelliJ)
65 | com_crashlytics_export_strings.xml
66 | crashlytics.properties
67 | crashlytics-build.properties
68 | fabric.properties
69 | 
70 | # Editor-based Rest Client
71 | .idea/httpRequests
72 | 
73 | # Android studio 3.1+ serialized cache file
74 | .idea/caches/build_file_checksums.ser
75 | 
76 | 


--------------------------------------------------------------------------------
/AnonymousFunction.php:
--------------------------------------------------------------------------------
 1 | <?php
 2 | 
 3 | $sayHello = function (string $name) {
 4 |     echo "Hello $name" . PHP_EOL;
 5 | };
 6 | 
 7 | $sayHello("Eko");
 8 | $sayHello("Budi");
 9 | 
10 | function sayGoodBye(string $name, $filter)
11 | {
12 |     $finalName = $filter($name);
13 |     echo "Good bye $finalName" . PHP_EOL;
14 | }
15 | 
16 | sayGoodBye("Eko", function (string $name): string {
17 |     return strtoupper($name);
18 | });
19 | 
20 | $filterFunction = function (string $name): string {
21 |     return strtoupper($name);
22 | };
23 | sayGoodBye("Eko", $filterFunction);
24 | 
25 | $firstName = "Eko";
26 | $lastName = "Kurniawan";
27 | 
28 | $sayHelloEko = function () use ($firstName, $lastName) {
29 |     echo "Hello $firstName $lastName" . PHP_EOL;
30 | };
31 | $sayHelloEko();
32 | 
33 | $firstName = "Budi";
34 | $lastName = "Nugraha";
35 | $sayHelloEko();
36 | 


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/ArrayFunction.php:
--------------------------------------------------------------------------------
 1 | <?php
 2 | 
 3 | $data = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10];
 4 | 
 5 | $dataResult = array_map(fn(int $value) => $value * 10, $data);
 6 | var_dump($dataResult);
 7 | 
 8 | rsort($data);
 9 | var_dump($data);
10 | 
11 | var_dump(array_keys($data));
12 | var_dump(array_values($data));
13 | 
14 | $person = [
15 |     "first_name" => "Eko",
16 |     "last_name" => "Khannedy"
17 | ];
18 | var_dump(array_keys($person));
19 | var_dump(array_values($person));


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/ArrowFunction.php:
--------------------------------------------------------------------------------
 1 | <?php
 2 | 
 3 | $firstName = "Eko";
 4 | $lastName = "Kurniawan";
 5 | 
 6 | $anonymousFunction = function () use ($firstName, $lastName) : string {
 7 |     return "Hello $firstName $lastName" . PHP_EOL;
 8 | };
 9 | 
10 | $arrowFunction = fn() => "Hello $firstName $lastName" . PHP_EOL;
11 | 
12 | echo $anonymousFunction();
13 | echo $arrowFunction();


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/Break.php:
--------------------------------------------------------------------------------
 1 | <?php
 2 | 
 3 | $counter = 1;
 4 | 
 5 | while (true) {
 6 |     echo "Ini adalah for while ke-$counter" . PHP_EOL;
 7 |     $counter++;
 8 | 
 9 |     if ($counter > 10) {
10 |         break;
11 |     }
12 | }
13 | 


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/CallbackFunction.php:
--------------------------------------------------------------------------------
 1 | <?php
 2 | 
 3 | function sayHello(string $name, callable $filter)
 4 | {
 5 |     $finalName = call_user_func($filter, $name);
 6 |     echo "Hello $finalName" . PHP_EOL;
 7 | }
 8 | 
 9 | sayHello("Eko", "strtoupper");
10 | sayHello("Eko", "strtolower");
11 | sayHello("Eko", function (string $name): string {
12 |     return strtoupper($name);
13 | });
14 | sayHello("Eko", fn($name) => strtoupper($name));


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/Constant.php:
--------------------------------------------------------------------------------
 1 | <?php
 2 | 
 3 | define("AUTHOR", "Programmer Zaman Now");
 4 | define("APP_VERSION", 100);
 5 | 
 6 | echo "Author : ";
 7 | echo AUTHOR;
 8 | echo "\n";
 9 | 
10 | echo "App Version : ";
11 | echo APP_VERSION;
12 | echo "\n";


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/Continue.php:
--------------------------------------------------------------------------------
1 | <?php
2 | 
3 | for ($counter = 1; $counter <= 100; $counter++) {
4 |     if($counter % 2 == 0){
5 |         continue;
6 |     }
7 |     echo "Counter : $counter" . PHP_EOL;
8 | }
9 | 


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/DoWhileLoop.php:
--------------------------------------------------------------------------------
1 | <?php
2 | 
3 | $counter = 100;
4 | do {
5 |     echo "Ini adalah do while ke-$counter" . PHP_EOL;
6 |     $counter++;
7 | } while ($counter <= 10);


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/FactorialFunction.php:
--------------------------------------------------------------------------------
 1 | <?php
 2 | 
 3 | function factorialLoop(int $value): int
 4 | {
 5 |     $total = 1;
 6 | 
 7 |     for ($i = 1; $i <= $value; $i++) {
 8 |         $total *= $i;
 9 |     }
10 | 
11 |     return $total;
12 | }
13 | 
14 | var_dump(factorialLoop(5));
15 | var_dump(1 * 2 * 3 * 4 * 5);
16 | 
17 | function factorialRecursive(int $value): int
18 | {
19 |     if ($value == 1) {
20 |         return 1;
21 |     } else {
22 |         return $value * factorialRecursive($value - 1);
23 |     }
24 | }
25 | 
26 | var_dump(factorialRecursive(5));
27 | 
28 | function loop(int $value)
29 | {
30 |     if ($value == 0) {
31 |         echo "End loop" . PHP_EOL;
32 |     } else {
33 |         echo "Loop-$value" . PHP_EOL;
34 |         loop($value - 1);
35 |     }
36 | }
37 | 
38 | loop(3000000);


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/ForEach.php:
--------------------------------------------------------------------------------
 1 | <?php
 2 | 
 3 | $names = ["Eko", "Kurniawan", "Khannedy"];
 4 | 
 5 | for ($i = 0; $i < count($names); $i++) {
 6 |     echo "Data ke $i = $names[$i]" . PHP_EOL;
 7 | }
 8 | 
 9 | foreach ($names as $index => $name) {
10 |     echo "Data ke $index = $name" . PHP_EOL;
11 | }
12 | 
13 | foreach ($names as $name) {
14 |     echo "Data $name" . PHP_EOL;
15 | }
16 | 
17 | $person = [
18 |     "first_name" => "Eko",
19 |     "middle_name" => "Kurniawan",
20 |     "last_name" => "Khannedy"
21 | ];
22 | 
23 | foreach ($person as $key => $value) {
24 |     echo "$key : $value" . PHP_EOL;
25 | }


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/ForLoop.php:
--------------------------------------------------------------------------------
 1 | <?php
 2 | 
 3 | for ($counter = 1; $counter <= 10; $counter++) {
 4 |     echo "Ini adalah for loop ke-$counter" . PHP_EOL;
 5 | }
 6 | 
 7 | for ($counter = 10; $counter >= 1; $counter--) {
 8 |     echo "Ini adalah for loop ke-$counter" . PHP_EOL;
 9 | }
10 | 
11 | for ($counter = 1; $counter <= 10; $counter++):
12 |     echo "Ini adalah for loop ke-$counter" . PHP_EOL;
13 | endfor;
14 | 
15 | for ($counter = 10; $counter >= 1; $counter--):
16 |     echo "Ini adalah for loop ke-$counter" . PHP_EOL;
17 | endfor;


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/Function.php:
--------------------------------------------------------------------------------
 1 | <?php
 2 | 
 3 | $buat = true;
 4 | 
 5 | if ($buat) {
 6 |     function sayHello()
 7 |     {
 8 |         echo "Hello Function" . PHP_EOL;
 9 |     }
10 | }
11 | 
12 | sayHello();
13 | sayHello();
14 | sayHello();
15 | sayHello();
16 | sayHello();
17 | 
18 | 
19 | 


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/FunctionArgument.php:
--------------------------------------------------------------------------------
 1 | <?php
 2 | 
 3 | function sayHello($firstName, $lastName = "")
 4 | {
 5 |     echo "Hello $firstName $lastName" . PHP_EOL;
 6 | }
 7 | 
 8 | sayHello("Eko");
 9 | sayHello("Budi");
10 | sayHello("Eko", "Kurniawan");
11 | 
12 | function sum(int $first, int $last)
13 | {
14 |     $total = $first + $last;
15 |     echo "Total $first + $last = $total" . PHP_EOL;
16 | }
17 | 
18 | sum(100, 100);
19 | sum("100", "100");
20 | sum(true, false);
21 | 
22 | function sumAll(...$values)
23 | {
24 |     $total = 0;
25 |     foreach ($values as $value) {
26 |         $total += $value;
27 |     }
28 |     echo "Total " . implode(",", $values) . " = $total" . PHP_EOL;
29 | }
30 | 
31 | $values = [1, 2, 3, 4, 5];
32 | 
33 | sumAll(1, 2, 3, 4, 5);
34 | sumAll(...$values);


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/FunctionReturnValue.php:
--------------------------------------------------------------------------------
 1 | <?php
 2 | 
 3 | function sum(int $first, int $second): int
 4 | {
 5 |     $total = $first + $second;
 6 |     return $total;
 7 | }
 8 | 
 9 | $result = sum(10, 10);
10 | var_dump($result);
11 | 
12 | $result = sum(100, 100);
13 | var_dump($result);
14 | 
15 | function getFinalValue(int $value): string
16 | {
17 |     if ($value >= 80) {
18 |         return "A";
19 |     } else if ($value >= 70) {
20 |         return "B";
21 |     } else if ($value >= 60) {
22 |         return "C";
23 |     } else if ($value >= 50) {
24 |         return "D";
25 |     } else {
26 |         return "E";
27 |     }
28 | 
29 |     echo "Ups" . PHP_EOL;
30 | }
31 | 
32 | $score = getFinalValue(90);
33 | var_dump($score);
34 | 
35 | $score = getFinalValue(30);
36 | var_dump($score);


--------------------------------------------------------------------------------
/GoTo.php:
--------------------------------------------------------------------------------
 1 | <?php
 2 | 
 3 | goto a;
 4 | echo "Hello World" . PHP_EOL;
 5 | 
 6 | a:
 7 | echo "Hello A" . PHP_EOL;
 8 | 
 9 | $counter = 1;
10 | 
11 | while (true) {
12 |     echo "Ini adalah for while ke-$counter" . PHP_EOL;
13 |     $counter++;
14 | 
15 |     if ($counter > 10) {
16 |         goto end;
17 |     }
18 | }
19 | 
20 | end:
21 | echo "End Loop";


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/HelloWorld.php:
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1 | <?php
2 | 
3 | echo "Hello World";


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/IfStatement.php:
--------------------------------------------------------------------------------
 1 | <?php
 2 | 
 3 | $nilai = 10;
 4 | $absen = 90;
 5 | 
 6 | if ($nilai >= 80 && $absen >= 80) {
 7 |     echo "Nilai Anda A" . PHP_EOL;
 8 | } else if ($nilai >= 70 && $absen >= 70) {
 9 |     echo "Nilai Anda B" . PHP_EOL;
10 | } else if ($nilai >= 60 && $absen >= 60) {
11 |     echo "Nilai Anda C" . PHP_EOL;
12 | } else if ($nilai >= 50 && $absen >= 50) {
13 |     echo "Nilai Anda D" . PHP_EOL;
14 | } else {
15 |     echo "Nilai Anda E" . PHP_EOL;
16 | }
17 | 
18 | if ($nilai >= 80 && $absen >= 80) :
19 |     echo "Nilai Anda A" . PHP_EOL;
20 | elseif ($nilai >= 70 && $absen >= 70):
21 |     echo "Nilai Anda B" . PHP_EOL;
22 | elseif ($nilai >= 60 && $absen >= 60):
23 |     echo "Nilai Anda C" . PHP_EOL;
24 | elseif ($nilai >= 50 && $absen >= 50):
25 |     echo "Nilai Anda D" . PHP_EOL;
26 | else :
27 |     echo "Nilai Anda E" . PHP_EOL;
28 | endif;


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/IncrementDanDecrement.php:
--------------------------------------------------------------------------------
1 | <?php
2 | 
3 | $a = 10;
4 | 
5 | $b = ++$a;
6 | 
7 | var_dump($a);
8 | var_dump($b);
9 | 


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/IsFunction.php:
--------------------------------------------------------------------------------
 1 | <?php
 2 | 
 3 | $data = "Eko";
 4 | 
 5 | var_dump(is_string($data));
 6 | var_dump(is_bool($data));
 7 | var_dump(is_int($data));
 8 | var_dump(is_float($data));
 9 | var_dump(is_array($data));
10 | var_dump(is_null($data));
11 | 


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/Komentar.php:
--------------------------------------------------------------------------------
 1 | <?php
 2 | 
 3 | /*
 4 | Ini adalah function untuk menampilkan
 5 | tulisan say hello
 6 |  */
 7 | function sayHello()
 8 | {
 9 |     // ini komentar satu baris
10 |     echo "Hello" . PHP_EOL;
11 | }
12 | 
13 | sayHello();
14 | 


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/Lib/MyFunction.php:
--------------------------------------------------------------------------------
1 | <?php
2 | 
3 | function sayHello(string $firstName, string $lastName): string
4 | {
5 |     return "Hello $firstName $lastName";
6 | }
7 | 


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/ManipulasiString.php:
--------------------------------------------------------------------------------
 1 | <?php
 2 | 
 3 | $name = "Eko Kurniawan Khannedy";
 4 | 
 5 | echo "Name : " . $name . PHP_EOL;
 6 | echo "Value : " . 100 . PHP_EOL;
 7 | 
 8 | $valueString = (string)100;
 9 | var_dump($valueString);
10 | 
11 | $valueInt = (int)"100";
12 | var_dump($valueInt);
13 | 
14 | $valueFloat = (float)"1.01";
15 | var_dump($valueFloat);
16 | 
17 | $name = "Eko";
18 | echo $name[0] . PHP_EOL;
19 | echo $name[1] . PHP_EOL;
20 | echo $name[2] . PHP_EOL;
21 | 
22 | echo "Hello " . $name . ", Selamat Belajar PHP" . PHP_EOL;
23 | echo "Hello $name, Selamat Belajar PHP" . PHP_EOL;
24 | 
25 | $var = "Eko";
26 | echo "This is {$var}s" . PHP_EOL;


--------------------------------------------------------------------------------
/NullCoalescingOperator.php:
--------------------------------------------------------------------------------
1 | <?php
2 | 
3 | $data = [
4 |     "action" => "Create"
5 | ];
6 | $action = $data["action"] ?? "Nothing";
7 | 
8 | echo $action . PHP_EOL;
9 | 


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/OperatorAritmatika.php:
--------------------------------------------------------------------------------
 1 | <?php
 2 | 
 3 | $a = 10;
 4 | $b = 10;
 5 | 
 6 | $result = $a + $b;
 7 | var_dump($result);
 8 | 
 9 | $resultNegative = -$result;
10 | var_dump($resultNegative);
11 | 
12 | $resultPositive = +$result;
13 | var_dump($resultPositive);
14 | 
15 | $resultModulo = 100 % 3;
16 | var_dump($resultModulo);


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/OperatorArray.php:
--------------------------------------------------------------------------------
 1 | <?php
 2 | 
 3 | $first = [
 4 |     "first_name" => "Eko"
 5 | ];
 6 | 
 7 | $last = [
 8 |     "first_name" => "Budi",
 9 |     "last_name" => "Khannedy"
10 | ];
11 | 
12 | $full = $first + $last;
13 | var_dump($full);
14 | 
15 | $a = [
16 |     "first_name" => "Eko",
17 |     "last_name" => "Khannedy"
18 | ];
19 | 
20 | $b = [
21 |     "last_name" => "Khannedy",
22 |     "first_name" => "Eko"
23 | ];
24 | 
25 | var_dump($a == $b);
26 | var_dump($a === $b);


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/OperatorLogika.php:
--------------------------------------------------------------------------------
 1 | <?php
 2 | 
 3 | var_dump(true && true);
 4 | var_dump(true && false);
 5 | 
 6 | var_dump(true || false);
 7 | var_dump(true || true);
 8 | 
 9 | var_dump(true xor false);
10 | var_dump(true xor true);
11 | 
12 | var_dump(!true);
13 | var_dump(!false);


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/OperatorPenugasan.php:
--------------------------------------------------------------------------------
 1 | <?php
 2 | 
 3 | $total = 0;
 4 | 
 5 | $fruit = 5000;
 6 | $chicken = 10000;
 7 | $orangeJuice = 5000;
 8 | 
 9 | 
10 | $total += $fruit;
11 | $total += $chicken;
12 | $total += $orangeJuice;
13 | 
14 | var_dump($total);


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/OperatorPerbandingan.php:
--------------------------------------------------------------------------------
1 | <?php
2 | 
3 | var_dump("10" == 10);
4 | var_dump("10" === 10);
5 | 
6 | var_dump(10 < 9);
7 | var_dump(9 >= 9);


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/Reference.php:
--------------------------------------------------------------------------------
 1 | <?php
 2 | 
 3 | $name = "Eko";
 4 | 
 5 | $otherName = &$name;
 6 | 
 7 | $otherName = "Budi";
 8 | 
 9 | echo $name . PHP_EOL;
10 | 
11 | function increment(int &$value)
12 | {
13 |     $value++;
14 | }
15 | 
16 | $counter = 1;
17 | increment($counter);
18 | 
19 | echo $counter . PHP_EOL;
20 | 
21 | 
22 | function &getValue()
23 | {
24 |     static $value = 100;
25 |     return $value;
26 | }
27 | 
28 | $a = &getValue();
29 | $a = 200;
30 | 
31 | $b = &getValue();
32 | echo $b . PHP_EOL;


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/RequireDanInclude.php:
--------------------------------------------------------------------------------
1 | <?php
2 | include_once "Lib/MyFunction.php";
3 | include_once "Lib/MyFunction.php";
4 | 
5 | echo sayHello("Eko", "Kurniawan");
6 | 
7 | 


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/StringFunction.php:
--------------------------------------------------------------------------------
1 | <?php
2 | 
3 | var_dump(join(",", [10, 11, 12, 13, 14, 15]));
4 | var_dump(explode(" ", "Eko Kurniawan Khanendy"));
5 | var_dump(strtolower("EKO KURNIAWNA KHANNEDY"));
6 | var_dump(strtoupper("eko kurniawna khannedy"));
7 | var_dump(trim("        eko      kurniawan       "));
8 | var_dump(substr("Eko Kurniawan Khannedy", 0, 3));


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/SwitchStatement.php:
--------------------------------------------------------------------------------
 1 | <?php
 2 | 
 3 | $nilai = "E";
 4 | 
 5 | switch ($nilai){
 6 |     case "A":
 7 |         echo "Anda lulus dengan sangat baik" . PHP_EOL;
 8 |         break;
 9 |     case "B":
10 |     case "C":
11 |         echo "Anda lulus" . PHP_EOL;
12 |         break;
13 |     case "D":
14 |         echo "Anda tidak lulus" . PHP_EOL;
15 |         break;
16 |     default:
17 |         echo "Mungkin Anda salah jurusan" . PHP_EOL;
18 | }
19 | 
20 | switch ($nilai):
21 |     case "A":
22 |         echo "Anda lulus dengan sangat baik" . PHP_EOL;
23 |         break;
24 |     case "B":
25 |     case "C":
26 |         echo "Anda lulus" . PHP_EOL;
27 |         break;
28 |     case "D":
29 |         echo "Anda tidak lulus" . PHP_EOL;
30 |         break;
31 |     default:
32 |         echo "Mungkin Anda salah jurusan" . PHP_EOL;
33 | endswitch;


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/TernaryOperator.php:
--------------------------------------------------------------------------------
1 | <?php
2 | 
3 | $gender = "PRIA";
4 | $hi = $gender == "PRIA" ? "Hi bro!" : "Hi nona!";
5 | 
6 | echo $hi . PHP_EOL;
7 | 


--------------------------------------------------------------------------------
/TipeDataArray.php:
--------------------------------------------------------------------------------
 1 | <?php
 2 | 
 3 | $values = array(10, 9, 8, 7.5);
 4 | var_dump($values);
 5 | 
 6 | $names = ["Eko", "Kurniawan", "Khannedy"];
 7 | var_dump($names);
 8 | 
 9 | var_dump($names[0]);
10 | 
11 | $names[0] = "Budi";
12 | var_dump($names);
13 | 
14 | unset($names[1]);
15 | var_dump($names);
16 | 
17 | $names[] = "Joko";
18 | var_dump($names);
19 | 
20 | var_dump(count($names));
21 | 
22 | $eko = array(
23 |     "id" => "eko",
24 |     "name" => "Eko Kurniawan",
25 |     "age" => 30,
26 |     "address" => array(
27 |         "city" => "Jakarta",
28 |         "country" => "Indonesia"
29 |     )
30 | );
31 | var_dump($eko);
32 | 
33 | var_dump($eko["name"]);
34 | var_dump($eko["address"]["country"]);
35 | 
36 | $budi = [
37 |     "id" => "budi",
38 |     "name" => "Budi Nugraha",
39 |     "age" => 35,
40 |     "address" => [
41 |         "city" => "Jakarta",
42 |         "country" => "Indonesia"
43 |     ]
44 | ];
45 | var_dump($budi);


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/TipeDataBoolean.php:
--------------------------------------------------------------------------------
1 | <?php
2 | 
3 | echo "Benar : ";
4 | var_dump(true);
5 | 
6 | echo "Salah : ";
7 | var_dump(false);
8 | 


--------------------------------------------------------------------------------
/TipeDataNull.php:
--------------------------------------------------------------------------------
 1 | <?php
 2 | 
 3 | $name = "Eko";
 4 | $name = null;
 5 | 
 6 | $age = null;
 7 | 
 8 | echo "Name : ";
 9 | echo $name;
10 | echo "\n";
11 | 
12 | echo "Age : ";
13 | echo $age;
14 | echo "\n";
15 | 
16 | echo "Is Name Null? : ";
17 | var_dump(is_null($name));
18 | echo "\n";
19 | 
20 | $contoh = "Eko";
21 | unset($contoh);
22 | 
23 | $contoh = "Kurniawan";
24 | $contoh = null;
25 | 
26 | var_dump(isset($contoh));


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/TipeDataNumber.php:
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 1 | <?php
 2 | 
 3 | echo "Decimal : ";
 4 | var_dump(1234);
 5 | 
 6 | echo "Octal : ";
 7 | var_dump(01234);
 8 | 
 9 | echo "Hexadecimal : ";
10 | var_dump(0x1A);
11 | 
12 | echo "Binary : ";
13 | var_dump(0b111111);
14 | 
15 | echo "Underscore in number : ";
16 | var_dump(1_241_241_241);
17 | 
18 | echo "Floating Point : ";
19 | var_dump(1.234);
20 | 
21 | echo "Floating Point dengan E Notation : (1.7 x 1000) : ";
22 | var_dump(1.7e3);
23 | 
24 | echo "Floating Point dengan E Notation minus : (1.7 x 0.001) : ";
25 | var_dump(1.7e-3);
26 | 
27 | echo "Underscore di floating point : ";
28 | var_dump(1_123.123);
29 | 
30 | echo "Integer Overflow : ";
31 | var_dump(9223372036854775808);


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/TipeDataString.php:
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 1 | <?php
 2 | 
 3 | echo 'Name : ';
 4 | echo 'Eko Kurniawan Khannedy';
 5 | echo "\n";
 6 | 
 7 | echo "Name : ";
 8 | echo "Eko\t Kurniawan\t Khannedy\n";
 9 | 
10 | echo <<<EKO
11 | Selamat belajar PHP
12 | sekarang, kita belajar tipe data string
13 | ini adalah cara ke-3 membuat string
14 | bisa menggunakan heredoc
15 | 
16 | EKO;
17 | 
18 | echo <<<'EKO'
19 | Selamat belajar PHP
20 | sekarang, kita belajar tipe data string
21 | ini adalah cara ke-3 membuat string
22 | bisa menggunakan heredoc
23 | EKO;
24 | 


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/Variable.php:
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 1 | <?php
 2 | 
 3 | $name = "Eko";
 4 | $age = 30;
 5 | 
 6 | echo "Name : ";
 7 | echo $name;
 8 | echo "\n";
 9 | 
10 | echo "Age : ";
11 | echo $age;
12 | echo "\n";
13 | 
14 | 
15 | $contoh = "eko";
16 | $$contoh = "kurniawan";
17 | 
18 | echo "Contoh : ";
19 | echo $contoh;
20 | echo "\n";
21 | 
22 | echo "eko : ";
23 | echo $eko;
24 | echo "\n";
25 | 


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/VariableFunction.php:
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 1 | <?php
 2 | 
 3 | function foo()
 4 | {
 5 |     echo "Foo" . PHP_EOL;
 6 | }
 7 | 
 8 | function bar()
 9 | {
10 |     echo "Bar" . PHP_EOL;
11 | }
12 | 
13 | $functionYangAkanDipanggil = "foo";
14 | $functionYangAkanDipanggil();
15 | 
16 | $functionYangAkanDipanggil = "bar";
17 | $functionYangAkanDipanggil();
18 | 
19 | function sayHello(string $name, $filter)
20 | {
21 |     $finalName = $filter($name);
22 |     echo "Hello $finalName" . PHP_EOL;
23 | }
24 | 
25 | function sampleFunction(string $name): string {
26 |     return "Sample $name";
27 | }
28 | 
29 | sayHello("Eko", "sampleFunction");
30 | sayHello("Eko", "strtoupper");
31 | sayHello("Eko", "strtolower");
32 | 


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/VariableLocalScope.php:
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 1 | <?php
 2 | 
 3 | function createName()
 4 | {
 5 |     $name = "Eko"; // local scope
 6 | }
 7 | 
 8 | createName();
 9 | echo $name . PHP_EOL;
10 | 


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/VariableScope.php:
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 1 | <?php
 2 | 
 3 | $name = "Eko"; // global scope
 4 | 
 5 | function sayHello()
 6 | {
 7 |     global $name; // global keyword
 8 |     echo $name . PHP_EOL;
 9 | 
10 |     echo $GLOBALS["name"] . PHP_EOL;
11 | }
12 | 
13 | sayHello();
14 | 


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/VariableStaticScope.php:
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 1 | <?php
 2 | 
 3 | function increment()
 4 | {
 5 |     static $counter = 1; // static scope
 6 |     echo "Counter = $counter" . PHP_EOL;
 7 |     $counter++;
 8 | }
 9 | 
10 | 
11 | increment();
12 | increment();
13 | increment();
14 | increment();
15 | increment();
16 | increment();


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/WhileLoop.php:
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 1 | <?php
 2 | 
 3 | $counter = 1;
 4 | while ($counter <= 10) {
 5 |     echo "Ini adalah for while ke-$counter" . PHP_EOL;
 6 |     $counter++;
 7 | }
 8 | 
 9 | $counter = 1;
10 | while ($counter <= 10) :
11 |     echo "Ini adalah for while ke-$counter" . PHP_EOL;
12 |     $counter++;
13 | endwhile;


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