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<?php class A { public $b; }; $a = new A; echo property_exists($a, 'b'); // Returns '1' $a->b; // Remains silent unset($a->b); echo property_exists($a, 'b'); // Still returns '1' $a->b; // Cause a "Notice: Undefined property A::$b"
Output for git.master, git.master_jit, rfc.property-hooks
11 Warning: Undefined property: A::$b in /in/3sAs5 on line 12

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