public function getDeliveryMethodValue() {
        global $usces;

        $sessionVal = isset($_SESSION['usces_entry']['order']['delivery_method'])
            ? $_SESSION['usces_entry']['order']['delivery_method']
            : 0;
        /**
         * Mirrored Welcart filter
         *
         * @ignore
         */
        $deli_id = apply_filters(
            'usces_filter_get_available_delivery_method',
            $usces->get_available_delivery_method()
        );

        if (empty($deli_id)) {
            return 1;
        }

        $cdeliid = count($deli_id);
        foreach ($deli_id as $id) {
            $index = $usces->get_delivery_method_index($id);
            if (0 <= $index) {
                if ((int)$id === (int)$sessionVal || 1 === $cdeliid) {
                    return $id;
                }
            }
        }

        return 1;
    }