Артём Митрофанов

/**
         * @param $query
         * @return bool
         */
        public function query($query)
        {
            return mysqli_query($this->DataBase, $query) or die (mysqli_error($query));
        }

/**
         * @param $query
         * @return bool|\mysqli_result
         */
        public function query($query)
        {
            return mysqli_query($this->DataBase, $query);
        }