3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php system("/bin/ls" );
Output for 4.3.0 - 5.6.28, 7.0.0 - 7.1.0
Output for hhvm-3.12.0
Failed to exec: `/bin/ls'
Output for hhvm-3.10.0

Process exited with code 153.