3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php die(`help`);
Output for 4.3.0 - 5.6.21, 7.0.0 - 7.1.0RC5
Output for hhvm-3.12.0
Failed to exec: `help'
Output for hhvm-3.10.0

Process exited with code 153.