3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php echo mktime(0,0,0, 1, 0) . '<br/>'; echo mktime(0,0,0, 12, 31) . '<br/>';
based on POUL2
Output for 5.3.20 - 5.4.45, 5.6.28, 7.0.20 - 7.2.6
1419980400<br/>1451516400<br/>
Output for 5.5.24 - 5.6.21, 7.0.0 - 7.0.6
1451516400<br/>1483138800<br/>