@ -336,7 +336,7 @@ class Sort extends BaseObject
/**
* Returns the sort direction of the specified attribute in the current request.
* @param string $attribute the attribute name
* @return bool|null Sort direction of the attribute. Can be either `SORT_ASC`
* @return int|null Sort direction of the attribute. Can be either `SORT_ASC`
* for ascending order or `SORT_DESC` for descending order. Null is returned
* if the attribute is invalid or does not need to be sorted.
*/