【PHP】break文 - 反復処理・条件分岐処理の強制終了（for/foreach/while/do-while/switch）

<?php

for( $i = 0; $i < 10; $i++ ) {
    echo $i."回目\n";
    if( $i == 3 ) {
        ___ih_hl_start
        break;
        ___ih_hl_end
    }
}

?>

$ php sample1.php
0回目
1回目
2回目
3回目

<?php

$fruits = [
    'Apple',
    'Orange',
    'Grape',
    'Melon',
];

foreach( $fruits as $data ) {
    echo $data."\n";
    if( $data == 'Grape' ) {
        ___ih_hl_start
        break;
        ___ih_hl_end
    }
}

?>

$ php sample2.php
Apple
Orange
Grape

<?php

while( true ) {
    echo "Loop.\n";
    ___ih_hl_start
    break;
    ___ih_hl_end
}

?>

$ php sample3.php
Loop.

<?php

do {
    echo "Loop.\n";
    ___ih_hl_start
    break;
    ___ih_hl_end
} while( true );

?>

$ php sample4.php
Loop.

<?php

$data = 1;
switch( $data ) {
    case 0:
        echo "case0\n";
    case 1:
        echo "case1\n";
    case 2:
        echo "case2\n";
    case 3:
        echo "case3\n";
        break;
    case 4:
        echo "case4\n";
    default:
        echo "default\n";
}

?>

$ php sample5.php
case1
case2
case3