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<?php class Test { public function var_dump_ancestor() { var_dump($this->foo); } } abstract class Foo extends Test { private $foo = "aa"; public function var_dump_abstract() { var_dump($this->foo); } } class Bar extends Foo { public function var_dump() { var_dump($this->foo); } } $b = new Bar(); $b->var_dump(); $b->var_dump_abstract(); $b->var_dump_ancestor();

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