$query = "SELECT RSCENARIOID , ENDTIME , DEATH_ENDTIME , FINISH_TIME , VENDSCENARIO , VNEXTSCENARIO , VPULSE_BEGINVALUE , RPULSE_TYPE , VPULSE_ENDVALUE , RPULSE_FORM , VPULSE_PRIORITY , VAD_BEGINVALUE , RAD_TYPE , VAD_ENDVALUE , VAD_PRIORITY , DIA_BEGINVALUE , DIA_TYPE , DIA_ENDVALUE , VETCO2_BEGINVALUE , RETCO2_TYPE , VETCO2_ENDVALUE , VETCO2_PRIORITY , VSPO2_BEGINVALUE , RSPO2_TYPE , VSPO2_ENDVALUE , VSPO2_PRIORITY , VDH_BEGINVALUE , RDH_TYPE , VDH_ENDVALUE , RDH_FORM , VDH_PRIORITY , VZR_BEGINVALUE , RZR_TYPE , VZR_ENDVALUE , VZR_PRIORITY , VZR_REACT_TO_LIGHT , VBODY_TEMP , VCOUGH , VCONSCIOUS , VSPASM_GLOTTIS , VLUNGS , VDELAYED_REACT FROM scenario_params";
        $str_filter = array();
        foreach ($_GET as $param_name => $param_value) {
            switch ($param_name) {
                case 'id_scenario':{
                    $id_scenario = intval($_GET['id_scenario']);
                    $str_filter[] = "(rscenarioid=$id_scenario)";
                }
                break;
                /*case 'name':{
                $name = "'".addslashes(str_replace("'", "''", $_GET['name']))."'"; ;
                $str_filter[] = "(VNAME=$name)";
                }
                break;*/
                default:
                    continue 2;//выходим из свича и другая итерация цикла
            }
        }
        if (!empty($str_filter)) {
            $query .= ' WHERE (deleted=0) AND '.implode(' AND ', $str_filter);
        }
        else{
            $query .= ' WHERE (deleted=0)';
        }
        echo json_encode(db_query_to_info_array($query));

//получаем запрос и возвращаем его массивом
function db_query_to_info_array($query, $link = false)
{
    if (!empty($link))
    {//если выполняем для переданого подключения
        $result = ibase_query($link, $query);
    }
    else
    {//для последнего
        // db_connect(); Потому что при проверке апикей уже создаётсяконект
        $result = ibase_query($query);
    }
    $res_array = array();
    if ($first_row = ibase_fetch_assoc($result))
    {
        $row = array();
        $field_names = array();
        foreach ($first_row as $field_name => $field_value)
        {
            $field_names[] = $field_name;
            $row[] = $field_value;
        }
        $res_array['field_names'] = $field_names;
        do
        {
            $res_array['data'][] = $row;
        } while ($row = ibase_fetch_row($result));
    }
    ibase_free_result ($result);
    //ibase_close();
    return $res_array;
}

{"field_names":["RSCENARIOID","ENDTIME","DEATH_ENDTIME","FINISH_TIME","VENDSCENARIO","VNEXTSCENARIO","VPULSE_BEGINVALUE","RPULSE_TYPE","VPULSE_ENDVALUE","RPULSE_FORM","VPULSE_PRIORITY","VAD_BEGINVALUE","RAD_TYPE","VAD_ENDVALUE","VAD_PRIORITY","DIA_BEGINVALUE","DIA_TYPE","DIA_ENDVALUE","VETCO2_BEGINVALUE","RETCO2_TYPE","VETCO2_ENDVALUE","VETCO2_PRIORITY","VSPO2_BEGINVALUE","RSPO2_TYPE","VSPO2_ENDVALUE","VSPO2_PRIORITY","VDH_BEGINVALUE","RDH_TYPE","VDH_ENDVALUE","RDH_FORM","VDH_PRIORITY","VZR_BEGINVALUE","RZR_TYPE","VZR_ENDVALUE","VZR_PRIORITY","VZR_REACT_TO_LIGHT","VBODY_TEMP","VCOUGH","VCONSCIOUS","VSPASM_GLOTTIS","VLUNGS","VDELAYED_REACT"],"data":[[1,15,-1,null,null,40,65,1,60,1,0,120,1,120,0,80,1,80,35,1,35,0,99,1,99,0,22,1,18,1,0,5,1,5,0,3,"36.3",0,null,null,null,null]]}