3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php interface a { public function aa(); } class a implements a { public function aa() { } }
Output for 7.0.0 - 7.3.0rc4
Fatal error: Cannot declare class a, because the name is already in use in /in/TkgRh on line 8
Process exited with code 255.
Output for 5.0.0 - 5.6.28
Fatal error: Cannot redeclare class a in /in/TkgRh on line 8
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STRING in /in/TkgRh on line 2
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1
Parse error: parse error, unexpected T_STRING in /in/TkgRh on line 2
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/TkgRh on line 2
Process exited with code 255.