3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php echo date('Y/m/d H:i:s',strtotime("+15 hour", strtotime('2013-07-16 17:30:00')));
Output for 4.3.0 - 4.4.9, 5.0.3 - 7.1.0
2013/07/17 08:30:00
Output for 5.0.0 - 5.0.2
2013/07/16 15:00:00