PHP warning

Illegal string offset 'attribute_id'

/var/www/limesurvey/application/models/Participant.php(292)

280 $selectValue[] = "luser.users_name as username";
281
282
283 // Add survey count subquery
284 $subQuery = Yii::app()->db->createCommand()
285 ->select('count(*) survey')
286 ->from('{{survey_links}} sl')
287 ->where('sl.participant_id = p.participant_id');
288 $selectValue[] = sprintf('(%s) survey',$subQuery->getText());
289 array_push($joinValue,"left join {{users}} luser ON luser.uid=p.owner_uid");
290 foreach($attid as $key=>$attid)
291 {
292 $attid = $attid['attribute_id'];
293 $sDatabaseType = Yii::app()->db->getDriverName();
294 if ($sDatabaseType=='mssql' || $sDatabaseType=="sqlsrv" || $sDatabaseType == 'dblib')
295 {
296 $selectValue[]= "cast(attribute".$attid.".value as varchar(max)) as a".$attid;
297 } else {
298 $selectValue[]= "attribute".$attid.".value as a".$attid;
299 }
300 array_push($joinValue,"LEFT JOIN {{participant_attribute}} attribute".$attid." ON attribute".$attid.".participant_id=p.participant_id AND attribute".$attid.".attribute_id=".$attid);
301 }
302
303 $aConditions = array(); // this wil hold all conditions
304 $aParams = array();

Stack Trace
#0
– /var/www/vhosts/ssc.panel-test.de/ssc4.panel-test.de/application/models/Participant.php(251): Participant->getParticipantsSelectCommand(false, array("multiselect-all", "1", "2", "3", ...), null, null, ...)
246 return $count;
247 }
248
249 function getParticipants($page, $limit,$attid, $order = null, $search = null, $userid = null)
250 {
251 $data = $this->getParticipantsSelectCommand(false, $attid, $search, $userid, $page, $limit, $order);
252
253 $allData = $data->queryAll();
254
255 return $allData;
256 }

#1
/var/www/vhosts/ssc.panel-test.de/ssc4.panel-test.de/application/controllers/admin/participantsaction.php(105): Participant->getParticipants(0, 0, array("multiselect-all", "1", "2", "3", ...), null, ...)
100 $iUserID = null;
101 } else {
102 $iUserID = Yii::app()->session['loginID'];
103 }
104
105 $query = Participant::model()->getParticipants(0, 0, $aAttributeIDs, null, $search, $iUserID);
106 if (!$query)
107 return false;
108
109 // Field names in the first row
110 $fields = array('participant_id', 'firstname', 'lastname', 'email', 'language', 'blacklisted', 'owner_uid');

#2
– /var/www/vhosts/ssc.panel-test.de/ssc4.panel-test.de/application/controllers/admin/participantsaction.php(761): participantsaction->csvExport(null, array("multiselect-all", "1", "2", "3", ...))
756 $search = Participant::model()->getParticipantsSearchMultipleCondition($condition);
757 } else {
758 $search = null;
759 }
760 $aAttributes=explode('+',Yii::app()->request->getPost('attributes',''));
761 $this->csvExport($search,$aAttributes);
762 }
763
764 /*
765 Equal to getParticipants_json() but now with a search
766 */

#3
unknown(0): participantsaction->exporttocsv()
#4
– /var/www/vhosts/ssc.panel-test.de/ssc4.panel-test.de/framework/web/actions/CAction.php(108): ReflectionMethod->invokeArgs(participantsaction, array())
103 elseif($param->isDefaultValueAvailable())
104 $ps[]=$param->getDefaultValue();
105 else
106 return false;
107 }
108 $method->invokeArgs($object,$ps);
109 return true;
110 }
111 }

#5
– /var/www/vhosts/ssc.panel-test.de/ssc4.panel-test.de/application/core/Survey_Common_Action.php(99): CAction->runWithParamsInternal(participantsaction, ReflectionMethod, array("sa" => "exporttocsv"))
094 $oMethod = new ReflectionMethod($this, $sDefault);
095 }
096
097 // We're all good to go, let's execute it
098 // runWithParamsInternal would automatically get the parameters of the method and populate them as required with the params
099 return parent::runWithParamsInternal($this, $oMethod, $params);
100 }
101
102 /*
103 Some functions have different parameters, which are just an alias of the

#6
– /var/www/vhosts/ssc.panel-test.de/ssc4.panel-test.de/application/controllers/admin/participantsaction.php(50): Survey_Common_Action->runWithParams(array("sa" => "exporttocsv"))
45 {
46 if (!Permission::model()->hasGlobalPermission('participantpanel','read'))
47 {
48 die('No permission');
49 }
50 parent::runWithParams($params);
51 }
52
53
54
55 /*
104 usual parameters we're getting in the url. This function just populates