3v4l.org

run code in 300+ PHP versions simultaneously
<?php $t=time(); echo($t); $t3=strtotime('2015-11-21 00:56:56'); echo($t3);
Output for 5.5.0 - 5.5.17, 5.5.20 - 5.5.38, 5.6.0 - 5.6.1, 5.6.3 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.26, 7.3.0 - 7.3.13, 7.4.0 - 7.4.1
14480609481448063816
Output for 5.5.18 - 5.5.19, 5.6.2
14480609491448063816
preferences:
147.75 ms | 401 KiB | 196 Q