3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php echo strtotime('2013-07028 04:00:00');
Output for 5.1.0 - 7.2.0
Output for 5.0.0 - 5.0.5
19836151200
Output for 4.3.0 - 4.4.9
-1