* Update contribution status - this is only called from one place in the code &
* it is unclear whether it is a function on the way in or on the way out
*
- * @param unknown_type $params
- * @return void|Ambigous <value, unknown, array>
+ * @param array $params
+ * @return void|int
*/
public function updateContributionStatus(&$params) {
// get minimum required values.