3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php if (class_exists('DateTime')) { $date = new DateTime('2013-10-31'); $date->modify('-1 month'); print $date->format('m'); } else { print 'Not supported.'; }
Output for 5.2.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
10
Output for 4.3.0 - 5.1.6
Not supported.