3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $date = date("Y-m-d",strtotime("-1 month - day")); echo $date;
Output for 5.1.0 - 7.1.0
1970-01-01
Output for 4.3.0 - 5.0.5
2014-09-30