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<?php class A { public $x; protected $y; private $z; } class B extends A {} $b = new B(); var_dump(property_exists($b, 'x')); var_dump(property_exists($b, 'y')); var_dump(property_exists($b, 'z'));
Output for git.master, git.master_jit, rfc.property-hooks
bool(true) bool(true) bool(false)

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