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<?php class A { } class B extends A { } class C { public function woot(A $foo) { return $foo; } } class D extends C { public function woot(B $foo) { return $foo; } } $test = new D(); var_dump($test->woot(new B()));
Output for git.master, git.master_jit, rfc.property-hooks
Fatal error: Declaration of D::woot(B $foo) must be compatible with C::woot(A $foo) in /in/qWJSW on line 11
Process exited with code 255.

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