3v4l.org

run code in 300+ PHP versions simultaneously
<?php $time = time(); $max_age = '6 months'; echo (strtotime($max_age) - $time);
Output for 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.5, 7.2.8, 7.2.10 - 7.2.25, 7.3.0 - 7.3.12, 7.4.0
15721200
Output for 7.2.6 - 7.2.7, 7.2.9
15721201
preferences:
94.54 ms | 401 KiB | 100 Q