public function getBasketArticles()
    {
        if ($this->_oBasketArticles === null) {
            $this->_oBasketArticles = false;

            // passing basket articles
            if ($oBasket = $this->getSession()->getBasket()) {
                $this->_oBasketArticles = $oBasket->getBasketArticles();
            }
        }

        return $this->_oBasketArticles;
    }