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<?php class Foo { private $bar = []; public function doBar() { $this->bar[] = 'barring'; } } class Bar extends Foo { private $bar = []; public function getBar() { $this->doBar(); return $this->bar; } } $bar = new Bar(); var_dump($bar->getBar());
Output for git.master, git.master_jit, rfc.property-hooks
array(0) { }

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