3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $date = strtotime('2014-09-08'); //echo $date; $timestamp=1354586000000; echo gmdate("Y-m-d\TH:i:s\Z", $timestamp);
based on XkUgq
Output for 4.3.0 - 7.1.0
44895-02-13T16:53:20Z