3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php print_r(strtotime('first day of 00:00:00'));
Output for 5.3.0 - 5.6.30, hhvm-3.12.14, hhvm-3.15.4 - 3.17.3, 7.0.0 - 7.2.0
1370037600
Output for hhvm-3.13.2
1370037600
Process exited with code 137.
Output for hhvm-3.10.1 - 3.11.1

Process exited with code 137.
Output for 5.1.0 - 5.2.17
Output for 4.3.0 - 5.0.5
-1