public function putUpdate(Request $request)

​

​

    {

        $this -> validate($request, [

            'qty' => 'required|integer|between:1,99',]);

​

            $user_identifier = session::get('uniqueIdentifier');

            $user_cart_id = DB::table('order_carts')->where('uniqueIdentifier', $user_identifier)->first()->orderCartId;

            // dd($user_cart_id);

            $this -> item = DB::table('order_items')->where('orderCartId', $user_cart_id)

                ->where('orderItemsId', $request->hiddenId)

                ->update([

                    'qty' => $request->qty

                ]);

            return redirect()->back()->with('success', 'Cart Item Updated Successfully');

    }

$query = "UPDATE `$table` SET column1 = '$value1', column2 = '$value2' WHERE $condition;";