3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $a = strtotime("H:i","2016-10-1 15:50:00"); $b = strtotime("H:i","2016-10-1 18:15:00"); echo $a . $b; echo date("H:i:s",$b-$a); ?>
based on dT1vd
Output for 5.5.0 - 7.3.0beta1
Notice: A non well formed numeric value encountered in /in/6ccWQ on line 3 Notice: A non well formed numeric value encountered in /in/6ccWQ on line 4 01:00:00