3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $index = 855; $chars = "0123456789ABCDEFGHIJKLMOPQRSTUVWabcdefghijklmnopqrstuvw"; $length = strlen($chars); $per = $index % $length; $subst = substr($chars, $per); $disp = ord($subst); echo ($index << $disp);
Output for 7.0.0 - 7.2.6
0
Output for 4.3.0 - 5.6.28
3586129920