3v4l.org

run code in 300+ PHP versions simultaneously
<?php $start = date('2022-01-20 10:32'); $now = date('Y-m-d H:i:s'); echo round((strtotime($now) - strtotime($start))/(60*60));
Output for 7.4.0 - 7.4.33, 8.0.1 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
42

preferences:
132.18 ms | 402 KiB | 121 Q