return ArrayHelper::toArray($teachers, [
'common\models\Teachers' => [
'id',
'title',
'initials'=>function($model){
return $model->initials;
}
],
]);
$cr = Yii::app()->db->createCommand()
->select('*')
->from('patients p')
->join('contacts c', 'c.id=p.patient_id')
->group('p.patient_id')
->queryRow();