3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php echo date('Y-m-d', strtotime('-1 day'));
Output for 5.6.28, 7.0.14 - 7.1.0
2016-02-01
Output for 4.3.0 - 5.6.23, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.0.8
2013-08-08