3v4l.org

run code in 300+ PHP versions simultaneously
<?php $time = strtotime("November"); echo $time, ' ', (int)$time, ' ', date('r',$time);
Output for 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.37, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 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
1383260400 1383260400 Fri, 01 Nov 2013 00:00:00 +0100
Output for 7.3.32 - 7.3.33, 7.4.26, 8.0.13
1383264000 1383264000 Fri, 01 Nov 2013 00:00:00 +0000
Output for 5.1.0 - 5.1.6
0 Thu, 01 Jan 1970 01:00:00 +0100
Output for 4.3.11, 4.4.0 - 4.4.9, 5.0.4 - 5.0.5
-1 -1 Thu, 01 Jan 1970 00:59:59 +0100
Output for 4.3.0 - 4.3.10, 5.0.0 - 5.0.3
-1 -1 Thu, 1 Jan 1970 00:59:59 +0100

preferences:
225.49 ms | 401 KiB | 389 Q