3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php echo "0000-00-00 00:00:00" > "2014-09-16 16:49:52"; echo strtotime("0000-00-00 00:00:00 + 3 week");
based on 1R0VD
Output for 5.2.6 - 7.1.0
-62168170772
Output for 5.1.0 - 5.1.1, 5.2.4 - 5.2.5
Output for 4.3.0 - 5.0.5, 5.1.2 - 5.2.3
945730800