3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php echo date('o');
Output for 5.1.0 - 5.6.30, hhvm-3.12.14 - 3.17.3, 7.0.0 - 7.2.0
2017
Output for hhvm-3.10.1 - 3.11.1

Process exited with code 137.
Output for 4.3.0 - 5.0.5
o