3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php echo md5('hi');
Output for 4.3.0 - 5.6.30, hhvm-3.10.1 - 3.17.3, 7.0.0 - 7.1.7, 7.2.0
49f68a5c8493ec2c0bf489821c21fc3b
Output for 7.1.10

Process exited with code 137.