public function getList()
    {
        $result = &gplcart_static('product.compare.list');

        if (isset($result)) {
            return (array) $result;
        }

        $this->hook->attach('product.compare.list.before', $result, $this);

        if (isset($result)) {
            return (array) $result;
        }

        $cookie = $this->request->cookie('product_compare', '', 'string');
        $result = array_filter(array_map('trim', explode('|', urldecode($cookie))), 'ctype_digit');
        $this->hook->attach('product.compare.list.after', $result, $this);
        return $result;
    }