3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php class Foo {} class Foo {}
Output for 7.0.0 - 7.1.0
Fatal error: Cannot declare class Foo, because the name is already in use in /in/MWMah on line 5
Process exited with code 255.
Output for 5.2.0 - 5.6.28
Fatal error: Cannot redeclare class Foo in /in/MWMah on line 5
Process exited with code 255.
Output for 4.3.2 - 5.1.6
Fatal error: Cannot redeclare class foo in /in/MWMah on line 5
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Cannot redeclare class foo in /in/MWMah on line 5