3v4l.org

run code in 300+ PHP versions simultaneously
<?php $start = date('Y-h-m H:m:s'); $end = date('Y-h-m H:m:s', strtotime($start . ' +3 hours')); echo $end; ?>
Output for 4.3.6 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.25, 7.4.27 - 7.4.33, 8.0.0 - 8.0.12, 8.0.14 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
2014-08-05 20:05:21
Output for 7.3.32 - 7.3.33, 7.4.26, 8.0.13
2014-06-03 18:03:21
Output for 4.3.0 - 4.3.5
2014-05-05 17:05:21

preferences:
275.49 ms | 401 KiB | 366 Q