3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php echo strtotime('first day of May');
Output for 5.3.0 - 5.4.32, 5.6.28, 7.0.14 - 7.1.0
1398895200
Output for 5.5.24 - 5.6.21, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.0.6
1462053600
Output for 5.4.34 - 5.4.45
1430431200
Output for 5.1.0 - 5.2.17
Output for 4.3.0 - 5.0.5
-1