3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php class MyClass { } class MyClass { }
Output for 7.0.0 - 7.2.6
Fatal error: Cannot declare class MyClass, because the name is already in use in /in/7N4fD on line 6
Process exited with code 255.
Output for 5.2.0 - 5.6.28
Fatal error: Cannot redeclare class MyClass in /in/7N4fD on line 7
Process exited with code 255.
Output for 4.3.2 - 5.1.6
Fatal error: Cannot redeclare class myclass in /in/7N4fD on line 7
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Cannot redeclare class myclass in /in/7N4fD on line 7