3v4l.org

run code in 300+ PHP versions simultaneously
<?php $timestamp = strtotime("2014-02-20 19:30:00"); $timestamp = strtotime('-2 day', $timestamp); echo $timestamp; echo '/n'; echo time();
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.3 - 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, 5.5.2, 5.5.4 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.1, 7.2.3 - 7.2.26, 7.3.0 - 7.3.13, 7.4.0 - 7.4.1
1392748200/n1391535181
Output for 5.5.0 - 5.5.1, 5.5.3, 7.2.2
1392748200/n1391535182
Output for 5.0.0 - 5.0.2
1392678000/n1391535181
preferences:
241.68 ms | 401 KiB | 325 Q