public function filterOffPastAuthorizationRecords(&$user, &$user_auth_data, $time = NULL) {
    if ($time != NULL || variable_get('ldap_help_user_data_clear', 0)) {
      $clear_time = ($time) ? $time : variable_get('ldap_help_user_data_clear_set_date', 0);
      if ($clear_time > 0 && $clear_time < time()) {
        foreach ($user_auth_data as $consumer_id => $entry) {
          if ($entry['date_granted'] < $clear_time) {
            unset($user_auth_data[$consumer_id]);
            if (isset($user->data['ldap_authorizations'][$this->consumerType][$consumer_id])) {
              unset($user->data['ldap_authorizations'][$this->consumerType][$consumer_id]);
            }
          }
        }
      }
    }
  }