$query = 'SELECT * FROM user_fixed_configuration WHERE langcode=:langcode';
        $bindparams = array();
        $bindparams['langcode']=$langcode;
        if (!empty($budgetFrom)) {
            $query .= ' AND price>=:budgetfrom';
            $bindparams['budgetfrom']=$budgetFrom;
        }
        if (!empty($budgetTo)) {
            $query .= ' AND price<=:budgetto';
            $bindparams['budgetto']=$budgetTo;
        }
        $statement = $this->_db->prepare($query);
        foreach ($bindparams as $key => $value) {
            $statement->bindParam(':'.$key,$value);
        }
        $statement->execute();
        return $statement->fetchAll();