3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $device_time_stamp = strtotime('2014-05-15T12:19:37.000Z'); $last_update_threshold_time_stamp = strtotime('-10 minutes'); echo $device_time_stamp; echo $last_update_threshold_time_stamp;
based on 0K2Wq
Output for 5.0.3 - 5.0.5, 5.1.2 - 7.1.0
14001563771408534580
Output for 5.1.0 - 5.1.1
1408534580
Output for 5.0.0 - 5.0.2
14001563771408485000
Output for 4.3.0 - 4.4.9
-11408534580