3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php shell_exec('login');
Output for 4.3.0, 5.4.44 - 5.6.28, hhvm-3.12.0, 7.0.0 - 7.1.0
Output for hhvm-3.10.0

Process exited with code 153.
Output for 4.3.1 - 5.4.43
sh: 1: login: not found