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<?php class A { protected $data; protected $foo = ''; public function a() { (new B())->foo($this); var_dump($this); if (isset($this->data['test'])) { $this->foo = $this->data['test']; } } } class B { public function foo(&$var) { $var = 1; } } $a = new A(); $a->a();
Output for git.master_jit, git.master, rfc.property-hooks
object(A)#1 (2) { ["data":protected]=> NULL ["foo":protected]=> string(0) "" }

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