public static function hasPosts($tagID, $postTypeSlug = '')
    {
        $postTypeSlug($postTypeSlug ? $postTypeSlug : PostType::getSlug());
        $queryObject = DB::table(tagsRelationTable($postTypeSlug))->where('tagID', $tagID);

        if($queryObject->count() > 0) {
            return true;
        }

        return false;
    }