/**
  * get all subscriptions of current this virtual list
  *
  * @param integer $status e.g. @param integer $status e.g. CjwNewsletterSubscription::STATUS_APPROVED
  * @param integer $limit
  * @param integer $offset
  * @param boolean $asObject
  * @return Ambigous <multitype:, NULL, unknown, multitype:unknown >
  *
  * @see CjwNewsletterList::getSubscriptionObjectArray()
  */
 function getSubscriptionObjectArray($subscriptionStatus = false, $limit = 0, $offset = 0, $asObject = true)
 {
     $virtualListObject = $this;
     $subscriptionObjectList = CjwNewsletterSubscriptionVirtual::fetchSubscriptionListByListIdAndStatus($virtualListObject, $subscriptionStatus, $limit, $offset, $asObject);
     return $subscriptionObjectList;
 }