3v4l.org

run code in 300+ PHP versions simultaneously
<?php $last_sunday = date("Y-m-d H:i:s",strtotime("Sunday previous week")); echo strtotime($last_sunday);
Output for 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 - 7.4.33, 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
1447542000
Output for 7.3.32 - 7.3.33, 8.0.13
1447545600
preferences:
181.1 ms | 401 KiB | 240 Q