3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $str = str_repeat(" \n", 20000); preg_replace('{((.*\n+)+)}','x',$str);
based on 76ein
Output for 7.0.0 - 7.2.0
Output for 4.3.0 - 5.6.28

Process exited with code 139.