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"; } ?>

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50.42 ms | 402 KiB | 5 Q