Online PHP editor | refs for IWGi2

<?php class A { protected $a = 'A'; public function setA($a) { $this->a = $a; } public function getA() { return $this->a; } } class B { protected $a; public function setA(A $a) { $this->a = $a; } public function getA() { return $this->a; } } $b = new B(); $b->setA(new A()); var_dump($b); $c = clone($b); var_dump($c);