3v4l.org

run code in 300+ PHP versions simultaneously
<?php $date = new DateTime('09.03.2017 18:46'); $date->sub(new DateInterval('PT1H')); echo $date->format('Y-m-d H:i') . "\n";
Output for 5.6.38 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.28, 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 - 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.30, 8.4.1 - 8.4.18, 8.5.0 - 8.5.3
2017-03-09 17:46
preferences:
106.92 ms | 1692 KiB | 4 Q