3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $s="0?kgwLX371\23\5z62e2:Wn0@l.1?\4j64A403{3\5S1'\13"; $q="str_replace"; $g = ""; while (strlen($g)<strlen($s)) { //$q = pack("H*",md5($g.$q."q1w2e3r4")); echo $q; $g.=substr($q,0,8); } //echo $s^$g;
Output for 4.3.0 - 5.0.5, 5.1.1 - 5.6.28, hhvm-3.12.0, 7.0.0 - 7.1.0
str_replacestr_replacestr_replacestr_replacestr_replacestr_replace
Output for hhvm-3.10.0

Process exited with code 153.
Output for 5.1.0
Fatal error: fatal flex scanner internal error--end of buffer missed in /in/foipB on line 13
Process exited with code 255.