3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php echo strtotime('2011-04-13T00:00:00+02:00');
Output for 5.0.0 - 5.6.28, hhvm-3.10.0 - 3.13.2, 7.0.0 - 7.1.0
1302645600
Output for 4.3.0 - 4.4.9
-1