3v4l.org

run code in 300+ PHP versions simultaneously
<?php $str = "0 16 18 9 22 1 3 25 12 19 20"; $chr = explode(" ", $str); $out = ""; foreach($chr as $c) { $out.= chr(65 + (int) $c); } print strtolower($out);

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33.63 ms | 402 KiB | 5 Q