Doctrine\Tests\Models\ECommerce\ECommerceCustomer::setCart PHP Метод

    public function setCart(ECommerceCart $cart)
    {
        if ($this->cart !== $cart) {
            $this->cart = $cart;
            $cart->setCustomer($this);
        }
    }

 public function setCustomer(ECommerceCustomer $customer)
 {
     if ($this->customer !== $customer) {
         $this->customer = $customer;
         $customer->setCart($this);
     }
 }