3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php preg_match('~(a)*~', str_repeat('a', 9000));
Output for 4.3.0 - 4.3.11, 5.0.0 - 5.0.4, 5.3.23 - 5.3.28, 5.4.0 - 5.4.8, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
Output for 4.4.0 - 4.4.9, 5.0.5 - 5.3.22, 5.3.29, 5.4.9 - 5.6.28

Process exited with code 139.