3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php echo strtotime('-1 hour');
Output for 5.5.0 - 5.6.30, hhvm-3.10.1 - 3.15.4, hhvm-3.18.4, hhvm-3.19.2 - 3.20.2, hhvm-3.21.3, 7.0.0 - 7.2.4
1524084188
Output for hhvm-3.17.3, hhvm-3.18.5, hhvm-3.21.0, hhvm-3.22.0
1524084189