3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php preg_match('%(.)*%', str_pad(1,1e4));
Output for 4.3.0 - 4.3.2, hhvm-3.10.0 - 3.13.2, 7.0.0 - 7.1.0
Output for 4.3.3 - 5.6.28

Process exited with code 139.