/**
 * Returns the price of a download, but only for non-variable priced downloads.
 *
 * @since 1.0
 * @param int $download_id ID number of the download to retrieve a price for
 * @return mixed string|int Price of the download
 */
function edd_get_download_price($download_id = 0)
{
    if (empty($download_id)) {
        return false;
    }
    $download = new EDD_Download($download_id);
    return $download->get_price();
}