3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php echo (strtotime( '2016-01-01') - strtotime('2016-06-29'));
based on Fi5EW
Output for 5.6.0 - 5.6.30, hhvm-3.18.5 - 3.22.0, 7.1.0 - 7.3.0rc3
-15548400