3v4l.org

run code in 300+ PHP versions simultaneously
<?php $x = time(); $a = strtotime('2013-11-24T19:00:00'); echo $a;
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.37, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.6 - 7.2.25, 7.3.0 - 7.3.12, 7.4.0
1385316000
Output for 4.3.5 - 4.3.11, 4.4.0 - 4.4.9
1385344800
Output for 4.3.0 - 4.3.4
1385294400
preferences:
151.91 ms | 401 KiB | 243 Q