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<?php interface I { public function example($a, $b, $c); } class A implements I { public function example($a, $b = null, $c = null) { } // compatible with I::example } class B extends A { public function example($a, $b, $c = null) { } // compatible with I::example }
Output for git.master, git.master_jit, rfc.property-hooks
Fatal error: Declaration of B::example($a, $b, $c = null) must be compatible with A::example($a, $b = null, $c = null) in /in/pblqI on line 10
Process exited with code 255.

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