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<?php class A { public function test(A $a) { var_dump($a); } } class B extends A { public function test(B $b) { parent::test($b); } } $a = new A; $b = new B; $b->test($a);
Output for git.master, git.master_jit, rfc.property-hooks
Fatal error: Declaration of B::test(B $b) must be compatible with A::test(A $a) in /in/BfA93 on line 14
Process exited with code 255.

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