3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php echo date('W', date("-2 days",strtotime("2014-04-22")));
Output for 5.1.0 - 7.2.0
Notice: A non well formed numeric value encountered in /in/ljNeE on line 3 01
Output for 4.4.1 - 4.4.9, 5.0.5
01
Output for 4.3.0 - 4.4.0, 5.0.0 - 5.0.4
1