3v4l.org

run code in 300+ PHP versions simultaneously
<?php $d1 = new DateTime('2015-09-07 07:05:00'); $d2 = new DateTime('2015-09-07 10:00:00'); $diff = $d1->diff($d2); $hours = $diff->h.".".$diff->i; echo $hours +=3;
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.38, 7.0.0 - 7.0.33, 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
5.55

preferences:
261.99 ms | 404 KiB | 336 Q