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<?php class A { /** @var B $b */ private $b; public function __construct() { $this->b = new B($this); } public function getB() { return $this->b; } } class B { /** @var A $a */ private $a; /** @var A $a */ public function __construct(A $a) { $this->a = $a; } } $a = new A(); $b = new B($a); var_dump($a); var_dump($a->getB());
Output for git.master, git.master_jit, rfc.property-hooks
object(A)#1 (1) { ["b":"A":private]=> object(B)#2 (1) { ["a":"B":private]=> *RECURSION* } } object(B)#2 (1) { ["a":"B":private]=> object(A)#1 (1) { ["b":"A":private]=> *RECURSION* } }

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