3v4l.org

run code in 300+ PHP versions simultaneously
<?php print intval(date('d', ceil(time()/7/24/3600)*7*24*3600))-intval(date('d'));
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.25, 7.2.0 - 7.2.13, 7.3.0 - 7.3.1
2
preferences:
142.53 ms | 403 KiB | 147 Q