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<?php class Foo {} class Goo extends Foo {} interface Factory { static function create(Foo $foo); } class FooFactory implements Factory { static function create(Foo $foo) { return $foo; } } class GooFactory implements Factory { static function create(Goo $goo) { return $goo; } } var_dump(FooFactory::create(new Foo())); var_dump(GooFactory::create(new Goo()));
Output for git.master, git.master_jit, rfc.property-hooks
Fatal error: Declaration of GooFactory::create(Goo $goo) must be compatible with Factory::create(Foo $foo) in /in/F43Z4 on line 15
Process exited with code 255.

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