/**
  * Function to call syncontacts with smart groups and static groups xxx delete
  *
  * Returns object that can iterate over a slice of the live contacts in given group.
  */
 static function getGroupMemberships($groupIDs)
 {
     CRM_Mailchimp_Utils::checkDebug('Start-CRM_Mailchimp_Utils getGroupMemberships $groupIDs', $groupIDs);
     $group = new CRM_Contact_DAO_Group();
     $group->id = $groupID;
     $group->find();
     if ($group->fetch()) {
         //Check smart groups
         if ($group->saved_search_id) {
             $groupContactCache = new CRM_Contact_BAO_GroupContactCache();
             $groupContactCache->group_id = $groupID;
             if ($start !== null) {
                 $groupContactCache->limit($start, CRM_Mailchimp_Form_Sync::BATCH_COUNT);
             }
             $groupContactCache->find();
             return $groupContactCache;
         } else {
             $groupContact = new CRM_Contact_BAO_GroupContact();
             $groupContact->group_id = $groupID;
             $groupContact->whereAdd("status = 'Added'");
             if ($start !== null) {
                 $groupContact->limit($start, CRM_Mailchimp_Form_Sync::BATCH_COUNT);
             }
             $groupContact->find();
             return $groupContact;
         }
     }
     CRM_Mailchimp_Utils::checkDebug('End-CRM_Mailchimp_Utils getGroupMemberships $groupIDs', $groupIDs);
     return FALSE;
 }