--TEST-- Bug #73987 (Method compatibility check looks to original definition and not parent - nullabilty abstract) --FILE-- <?php abstract class A { abstract function example($a, $b, $c); } class B extends A { function example($a, $b = null, $c = null) { } } class C extends B { function example($a, $b, $c = null) { } } ?> --EXPECTF-- Fatal error: Declaration of C::example($a, $b, $c = NULL) must be compatible with B::example($a, $b = NULL, $c = NULL) in %s