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<?php interface I { public function example($a, $b, $c); } class A implements I { public function example($a, $b = null, $c = null): int { } } class B extends A { public function example($a, $b, $c = null): string { } } ?>
Output for git.master, git.master_jit, rfc.property-hooks
Fatal error: Declaration of B::example($a, $b, $c = null): string must be compatible with A::example($a, $b = null, $c = null): int in /in/gl1Gt on line 10
Process exited with code 255.

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