/**
  * Count all user who subscripe to list
  *
  * @param CjwNewsletterListVirtual $virtualListObject
  * @param mixed int|array $statusIds
  * @return integer
  */
 static function fetchSubscriptionListByListIdCount($virtualListObject, $subscriptionStatus = false)
 {
     $filterArray = $virtualListObject->getFilterInternalArray($subscriptionStatus);
     $externalFilterArray = $virtualListObject->getFilterExternalArray($subscriptionStatus);
     //
     // external filters
     // Filters from extra db table not cjwnl
     //
     // fetch all user as rows
     $count = self::fetchByFilterCount($filterArray, $externalFilterArray);
     return $count;
 }