3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php echo date('Y-m-d', strtotime(date('Y-m-d').' + 1 month'));
Output for 4.3.0 - 5.0.5, 5.1.2 - 7.2.0
2013-12-01
Output for 5.1.0 - 5.1.1
1970-01-01