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<?php class foo { private $bar; public function __construct() { $this->bar = new bar(); } public function & __get($key) { $bar = $this->bar; return $bar; } } class bar { public $onBaz = []; } $foo = new foo(); $foo->bar->onBaz[] = function() {}; var_dump($foo->bar->onBaz);
Output for git.master, git.master_jit, rfc.property-hooks
array(1) { [0]=> object(Closure)#3 (0) { } }

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