PHP: Yii2 kartik editable patientID

gistfile1.txt

 // patient dropdown editable column
   [
	    'class' => 'kartik\grid\EditableColumn',
	    'attribute' => 'patientID',
	    'pageSummary' => true,
	    'width' => '100px',
	    // filtering grid
	    'filterType'=>GridView::FILTER_SELECT2,
	    'filter'=>ArrayHelper::map(Patient::find()->where(['active_patient'=>1])->orderBy('Nickname')->asArray()->all(), 'ID', 'Nickname'), 
	    'filterWidgetOptions'=>[
	        'pluginOptions'=>['allowClear'=>true],
	    ],
	    'filterInputOptions'=>['placeholder'=>'- Patient -'],
	    // end filtering grid
	    'editableOptions'=> function ($model, $key, $index, $widget) {
	        $patients = ArrayHelper::map(Patient::find()->where(['active_patient'=>1])->orderBy('Nickname')->asArray()->all(),'ID','Nickname');
	            return [
	                    'header' => 'Patient',
                        'attribute' => 'patientID',
	                    'size' => 'sm',
	                    'inputType' => 'dropDownList',
	                    'displayValueConfig' => $patients,
	                    'data' => $patients
	            ];
	    }
	],