gistfile1.txt

public function getSubscriberList(){
    $result = array();
    $startIndex = 0;
    $limit = 500;
    $numberOfCurrentBatchRecord = $limit;
    $numberOfBatchRan = 0;
    $safeGardCount = 10;

    while($limit == $numberOfCurrentBatchRecord && $numberOfBatchRan < $safeGardCount){
        $startIndex = $limit * $numberOfBatchRan;            
        echo "get record from ".$startIndex." to ".($startIndex+$limit-1)."\n";
        $response = $this->getVREmailList($this->getMasterListId(),$startIndex,$limit);        
        $numberOfCurrentBatchRecord = count($response);
        echo "number of record found in this batch:".$numberOfCurrentBatchRecord."\n";
        foreach ($response as $value){
            foreach ($value->member_data as $memberDataProperty){
                if(strcmp($memberDataProperty->name,"email_address")==0){
                    $result[]=$memberDataProperty->value;
                }
            }
        }
        $numberOfBatchRan++;
    }
    return $result;
}