3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php class Foo {} class Goo extends Foo {} interface IFooFactory { static function create(Foo $foo); } class FooFactory extends IFooFactory { static function create(Foo $foo) { return $foo; } } class GooFactory extends FooFactory { static function create(Goo $goo) { return $goo; } } var_dump(FooFactory::create(new Foo())); var_dump(GooFactory::create(new Goo()));
based on UhtOb
Output for 5.0.2 - 5.4.35
Fatal error: Class FooFactory cannot extend from interface IFooFactory in /in/7G8un on line 12
Process exited with code 255.
Output for 5.0.0 - 5.0.1
Fatal error: Declaration of GooFactory::create() must be compatible with that of IFooFactory::create() in /in/7G8un on line 16
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STRING in /in/7G8un on line 6
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/7G8un on line 6
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/7G8un on line 6
Process exited with code 255.