3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php echo date('Y-m-d H:i:s \U\T\C', strtotime('-1 days 04:00'));
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
2013-07-31 04:00:00 UTC