3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php echo date('Y-m-d', strtotime('+1 month', strtotime('2017/01/31')));
based on NEIiT
Output for 5.6.0 - 5.6.30, hhvm-3.12.14 - 3.17.3, 7.0.0 - 7.2.6
2017-03-03