public function actionStudentlist($id)
{
// "Response content must not be an array."
/*$students = \app\models\Studentmodule::find()->where(['Module_id' => $id])->orderBy('id')->all();
return $students;
*/
// "Response content must be a string or an object implementing __toString()"
$DataProvider = new ActiveDataProvider(['query' => Studentmodule::find()->where(['Module_id' => $id])->orderBy('id')->all()]);
// When use this and return $Model instead of $DataProvider
// http://stackoverflow.com/questions/27746984/criteria-active-data-provider-in-yii-2
$Model = $DataProvider->getModels();
return $Model;
}
public static function listData($model, $keyName, $valueName)
{
$data = [];
$provider = new ActiveDataProvider(['query' => $model::find(), 'pagination' => false]);
foreach ($provider->getModels() as $model) {
$data[$model->{$keyName}] = $model->{$valueName};
}
return $data;
}
