public function translate($string)
        {
            $string = strtr(mb_strtolower(trim($string)),[
                'а'=>'a','б'=>'b','в'=>'v','г'=>'g','д'=>'d',
                'е'=>'e','ё'=>'yo','ж'=>'j','з'=>'z','и'=>'i',
                'й'=>'y','к'=>'k','л'=>'l','м'=>'m','н'=>'n',
                'о'=>'o','п'=>'p','р'=>'r','с'=>'s','т'=>'t',
                'у'=>'u','ф'=>'f','х'=>'h','ц'=>'c','ч'=>'ch',
                'ш'=>'sh','щ'=>'shch','ы'=>'y','э'=>'e',
                'ю'=>'yu','я'=>'ya','ъ'=>'','ь'=>''
            ]);
            $string = preg_replace("/[^0-9a-z-_ ]/i", "", $string);
            return str_replace(" ", "_", $string);
        }