3v4l.org

run code in 300+ PHP versions simultaneously
<?php $now = new DateTime; $departure = (new DateTime)->modify('+42 hours'); echo $now->format('Y-m-d H:i:s') . PHP_EOL; echo $departure->format('Y-m-d H:i:s') . PHP_EOL; echo $now->diff($departure)->format('%h') . PHP_EOL;
Output for 5.5.0 - 5.5.38, 5.6.0 - 5.6.7, 5.6.9 - 5.6.40, 7.0.0 - 7.0.25, 7.0.27 - 7.0.33, 7.1.0 - 7.1.10, 7.1.12 - 7.1.33, 7.2.1 - 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
2016-01-06 12:47:17 2016-01-08 06:47:17 18
Output for 7.3.32 - 7.3.33, 8.0.13
2016-01-06 11:47:17 2016-01-08 05:47:17 18
Output for 5.6.8, 7.0.26, 7.1.11, 7.2.0
2016-01-06 12:47:18 2016-01-08 06:47:18 18
preferences:
242.8 ms | 402 KiB | 330 Q