3v4l.org

run code in 300+ PHP versions simultaneously
<?php for($f=file(__FILE__),$i=0;$i<10;$i++) { echo $f[$i]; } $l=0; foreach($_SERVER as $s) { if ($s=='ROZWAL') $l++; } echo(l); if ($l!=40) { die(); }

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42.52 ms | 402 KiB | 5 Q