3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $mil = 1410948122721; $seconds = $mil / 1000; echo gmdate("Y-m-d H:i:s", $seconds);
based on WhtOG
Output for 4.3.0 - 7.1.0
2014-09-17 10:02:02