3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php echo strtotime('2013-12-27', '00:00:00');
Output for 5.1.0 - 7.1.0
Notice: A non well formed numeric value encountered in /in/J5i81 on line 3 1388098800
Output for 4.3.0 - 5.0.5
1388098800