3v4l.org

run code in 300+ PHP versions simultaneously
<?php $time2 = strtotime('13:00 20 September 2014'); $time1 = strtotime('12:00 20 September 2014'); $diff = $time2 - $time1; echo 'Time 1: '.date('jS:F:Y:H:i:s', $time1).'<br>'; echo 'Time 2: '.date('jS:F:Y:H:i:s', $time2).'<br>'; if($diff){ echo 'Diff: '.date('h:i:s', $diff); }else{ echo 'No Diff.'; }
Output for 4.3.0 - 4.3.5, 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 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.33, 8.0.0 - 8.0.12, 8.0.14 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Time 1: 20th:September:2014:12:00:00<br>Time 2: 20th:September:2014:13:00:00<br>Diff: 02:00:00
Output for 7.3.32 - 7.3.33, 8.0.13
Time 1: 20th:September:2014:12:00:00<br>Time 2: 20th:September:2014:13:00:00<br>Diff: 01:00:00
Output for 4.3.6 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5
Time 1: 1st:January:1970:00:59:59<br>Time 2: 1st:January:1970:00:59:59<br>No Diff.
preferences:
279.46 ms | 402 KiB | 459 Q