public function getName($table, $id)
    {
        $sql = sprintf("SELECT * FROM %s WHERE id=%s LIMIT 1", $table, $id);
        $result = $this->db->query($sql);

        if ($result === true)
        {
            $row = $result->fetch_assoc($result);
            return $row['name'];
        }
        else
            return '';
    }