3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?hh system('echo *');
Output for hhvm-3.10.0 - 3.12.0
Failed to exec: `echo *'
Output for 5.4.0 - 5.4.28
Parse error: syntax error, unexpected 'system' (T_STRING) in /in/MiB45 on line 3
Process exited with code 255.
Output for 5.3.0 - 5.3.29
<?hh system('echo *');