3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo (new \DateTime('first sunday of december'))->format('Y-m-d H:m:i');
Output for 5.4.2 - 5.4.45, 5.6.28, 7.0.20, 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
2015-12-06 00:12:00
Output for 5.5.24 - 5.5.35, 5.6.7 - 5.6.21, 7.0.0 - 7.0.6
2016-12-04 00:12:00
preferences:
222.89 ms | 402 KiB | 242 Q