3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo date('r', strtotime('last week', strtotime('4 April 1991')));
Output for 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 - 7.1.33, 7.2.17 - 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
Mon, 25 Mar 1991 00:00:00 +0100
Output for 7.3.32 - 7.3.33, 7.4.26, 8.0.13
Mon, 25 Mar 1991 00:00:00 +0000
Output for 4.3.0 - 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
Thu, 28 Mar 1991 00:00:00 +0100

preferences:
203.78 ms | 402 KiB | 377 Q