3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php echo date('Y-m-d',strtotime('january 2015'));
Output for 5.1.0 - 7.2.0
2015-01-01
Output for 4.3.5 - 5.0.5
2015-01-11
Output for 4.3.0 - 4.3.4
2020-07-07