3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $s="aaaaaa"; $q="str_replace"; $g = ""; while (strlen($g)<strlen($s)) { $q = pack("H*",md5($g.$q."q1w2e3r4")); $g.=substr($q,0,8); } echo $s^$g;
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
´┐Że.gd