/**
* @param string $attributeName
* @return string[]|int[]
*/
public function getRange($attributeName)
{
$attribute = $this->model->getAttributesBehavior()->getAttributeInfo($attributeName);
/** @var ActiveRecord $modelClass */
$modelClass = $this->query->modelClass;
$tableName = $modelClass::tableName();
/* Если такой параметр не описан, то будет взят список из таблицы */
if (!$attribute) {
$query = $modelClass::find();
$query->select([$attributeName]);
$query->groupBy([$attributeName]);
$query->filterWhere(['and', ['not', $attributeName, null], ['>', new Expression('LENGTH(TRIM(' . $attributeName . '))'), 0]]);
$result = $query->createCommand()->cache(300)->queryAll();
$return = [];
foreach ($result as $row) {
$return[] = $row[$attributeName];
}
return $return;
}
return null;
}
