3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php echo date('c', strtotime('+40 hour')), PHP_EOL;
Output for 5.5.0 - 5.6.7, 5.6.9 - 7.2.0
2016-01-27T18:24:50+01:00
Output for 5.6.8
2016-01-27T18:24:49+01:00