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<?php class Bar { public $indicator; public function __construct($x) { $this->indicator = $x; } } class Foo { protected $prop; public function __construct(Bar $prop) { $this->prop = $prop; } public function getProp() { return $this->prop; } } $objX = new Foo(new Bar('one')); $objY = clone $objX; $objY->getProp()->indicator = 'two'; //two, since cloned object still tracks references inside it: echo $objX->getProp()->indicator;
Output for git.master, git.master_jit, rfc.property-hooks
two

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