3v4l.org

run code in 300+ PHP versions simultaneously
<?php $today_dt = new DateTime(2015-12-05); echo $today_dt->format('Y-m-d');
Output for 7.2.29 - 7.2.33, 7.3.16 - 7.3.33, 7.4.3 - 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
1998-12-15
preferences:
134.5 ms | 403 KiB | 139 Q