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<?php class Foo { private $bar = 'baz'; } $foo = new Foo(); echo spl_object_hash($foo); $reader = function & ($object, $property) { $value = & Closure::bind(function & () use ($property) { return $this->$property; }, $object, $object)->__invoke(); return $value; }; $bar = & $reader($foo, 'bar'); //var_dump($bar); $bar = 'tab1'; unset($bar); echo spl_object_hash($foo); var_dump($foo);
Output for git.master, git.master_jit, rfc.property-hooks
0000000000000001000000000000000000000000000000010000000000000000object(Foo)#1 (1) { ["bar":"Foo":private]=> string(4) "tab1" }

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