3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php echo strtotime('2015-12-2816:10GMT+2');
Output for 5.1.0 - 5.1.2, 5.3.0 - 7.2.6
1451311800
Output for 5.1.3 - 5.2.17
1451319000
Output for 4.3.0 - 5.0.5
-1