3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php interface Foo { public function bar($a); } class X implements Foo { public function bar() {} }
Output for 5.4.0 - 5.6.28, 7.0.0 - 7.1.0
Fatal error: Declaration of X::bar() must be compatible with Foo::bar($a) in /in/WMRYW on line 6
Process exited with code 255.
Output for 5.0.0 - 5.3.29, hhvm-3.12.0
Fatal error: Declaration of X::bar() must be compatible with that of Foo::bar() in /in/WMRYW on line 6
Process exited with code 255.
Output for hhvm-3.10.0
Fatal error: Declaration of X::bar() must be compatible with that of Foo::bar() in /in/WMRYW on line 3
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STRING in /in/WMRYW 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/WMRYW on line 2
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/WMRYW on line 2
Process exited with code 255.