App\Http\Controllers\OrdersController::fromGuestToUser PHP Method

    public static function fromGuestToUser($ordersController)
    {
        /**
         * $cart_content contains the guest shopping cart information.
         *
         * @var [array]
         */
        $cart_content = Session::get('user.cart_content');
        //dd($cart_content, Session::get('user.cart'));
        foreach (Session::get('user.cart_content') as $product => $value) {
            $ordersController->addToOrder('cart', $product, new Request(['quantity' => $cart_content[$product] != '' ? $cart_content[$product] : 1, 'guestToUser' => 1]));
        }
        Session::forget('user.cart');
        Session::forget('user.cart_content');
        Session::save();
    }

 /**
  * Handle an incoming request.
  *
  * @param \Illuminate\Http\Request $request
  * @param \Closure                 $next
  * @param string|null              $guard
  *
  * @return mixed
  */
 public function handle($request, Closure $next, $guard = null)
 {
     /*
      * If there is products into the guest cart, its content is transferred
      * to a logged user 'cart' order.
      */
     if (\Illuminate\Support\Facades\Session::has('user.cart_content')) {
         $ordersController = new OrdersController();
         $ordersController->fromGuestToUser($ordersController);
         unset($ordersController);
     }
     return $next($request);
 }