3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo (new DateTime)->modify('+1 seconds')->format(DateTime::ISO8601);
Output for 5.4.0 - 5.4.38, 5.4.40 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.7, 7.1.9 - 7.1.33, 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
2015-11-01T15:12:31+0100
Output for 7.3.32 - 7.3.33, 8.0.13
2015-11-01T14:12:31+0000
Output for 5.4.39, 7.1.8
2015-11-01T15:12:32+0100

preferences:
259.06 ms | 401 KiB | 376 Q