Method getProductDownloadFolderByProducts

public static function getProductDownloadFolderByProducts($cid)
{
    // Admin information for deleting folders when products are deleted
    $db = Factory::getDBO();
    if (count($cid)) {
        ArrayHelper::toInteger($cid);
        $cids = implode(',', $cid);
        $query = ' SELECT download_folder FROM #__phocacart_products WHERE id IN ( ' . $cids . ' ) ORDER BY id';
        $db->setQuery($query);
        $folders = $db->loadColumn();
        return $folders;
    }
}