/**
* Returns all uploaded files for the given model attribute.
* @param \Leaps\Base\Model $model the data model
* @param string $attribute the attribute name. The attribute name may contain array indexes
* for tabular file uploading, e.g. '[1]file'.
* @return UploadedFile[] array of UploadedFile objects.
* Empty array is returned if no available file was found for the given attribute.
*/
public static function getInstances($model, $attribute)
{
$name = Html::getInputName($model, $attribute);
return static::getInstancesByName($name);
}