3v4l.org

run code in 300+ PHP versions simultaneously
<?php $z = "hejsanhejsan";//$argv[1]; $x = str_split($z, 5); $l = "ABCDEFGHIJKLMNOPQRSTUVWXYZ012345"; foreach ($x as $y) { var_dump(str_split(strrev($y))); foreach (str_split(strrev($y)) as $w) { $y[] = ctype_upper($w); } $z .= $l[bindec($y)]; } echo $z;

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51.71 ms | 402 KiB | 5 Q