<?php
 
header('Content-Type: text/plain; charset=utf-8');
 
echo "配列を変数 \$array として以下のように定義します。\n";
echo "\n";
 
$array = array(
    'x' => 'A',
           'B',
           'C',
      8 => 'D',
           'E',
    'y' => 'F',
);
 
var_export($array);
 
echo "\n";
echo "\n";
echo "foreachの基本形を実行します。\n";
echo "\n";
 
$i = 0;
 
foreach ($array as $key => $value) {
 
    echo "{$i}番目です。\n";
    echo "キーは {$key} です。\n";
    echo "値は {$value} です。\n";
    echo "\n";
 
    $i++;
 
}
 
echo "foreachのキー省略形を実行します。\n";
echo "\n";
 
$i = 0;
 
foreach ($array as $value) {
 
    echo "{$i}番目です。\n";
    echo "値は {$value} です。\n";
    echo "\n";
 
    $i++;
 
}

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