3v4l.org

run code in 500+ PHP versions simultaneously
<?php $currentHour = (new DateTime())->format('H:00'); $nextHour = (new DateTime('+1 hour'))->format('H:00'); $hourRange = [$currentHour, $nextHour]; var_dump($hourRange);
Output for 7.1.0 - 7.1.33, 7.2.0 - 7.2.34, 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 - 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.30, 8.4.1 - 8.4.18, 8.5.0 - 8.5.3
array(2) { [0]=> string(5) "16:00" [1]=> string(5) "17:00" }
Output for 7.3.32 - 7.3.33, 8.0.13
array(2) { [0]=> string(5) "14:00" [1]=> string(5) "15:00" }
preferences:
96.63 ms | 1681 KiB | 4 Q