3v4l.org

run code in 300+ PHP versions simultaneously
<?php 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"; } ?>

preferences:
49.79 ms | 402 KiB | 5 Q