3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php echo strtotime("Febrruary");
Output for 5.1.0 - 7.1.7, 7.2.0
Output for 7.1.10

Process exited with code 137.
Output for 4.3.0 - 5.0.5
-1