3v4l.org

run code in 300+ PHP versions simultaneously
<?php $date = new DateTime('2019-12-10 14:00'); echo $date->format('Y-m-d\TH:i:s');
Output for 7.2.0 - 7.2.34, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.25, 8.4.1 - 8.4.12
2019-12-10T14:00:00
preferences:
137.28 ms | 407 KiB | 5 Q