3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr = array("one", "two", "three"); reset($arr); while (list($key, $value) = each($arr)) { echo "Key: $key; Value: $value<br />\n"; } foreach ($arr as $key => $value) { //echo "Key: $key; Value: $value<br />\n"; switch($value) { case "one": echo $key; } } ?>

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40.65 ms | 402 KiB | 5 Q