3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php interface foo {} class foo implements foo {} new foo();
Output for 7.0.0 - 7.2.0
Fatal error: Cannot declare class foo, because the name is already in use in /in/Nnh4T on line 6
Process exited with code 255.
Output for 5.3.21 - 5.6.28
Fatal error: Cannot redeclare class foo in /in/Nnh4T on line 6
Process exited with code 255.