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Session and cart


Well-known member
I'm not so good with session stuff so if anyone can give me some advice for using session to have a cart then adding items to that cart without inserting to a table in the database.

So far I have this:

    public function actionCart()
        $cart_cached = XenForo_Model::create('XenForo_Model_DataRegistry')->get('cart');
        $item = $this->_input->filterSingle('item_id', XenForo_Input::STRING);
        $session = XenForo_Session::startPublicSession();

        $cart = $cart_cached;
        if (!$cart) {
            $cartMessage = 'You have no items in your shopping cart.';
        } else {
            $items = explode(',',$cart);
            $s = (count($items) > 1) ? 's':'';
            $cartMessage = 'You have <a href="cart.php">'.count($items).' item'.$s.' in your shopping cart</a>';

        $viewParams = array(
            'onlineUsers' => $this->_getSessionActivityList(),
            'cartMessage' => $cartMessage

        return $this->responseView('MyShop_ViewPublic_Cart', 'myshop_cart', $viewParams);
Thanks in advance