ขอถามเกี่ยวกับการ วน loop จากค่า 4 ค่าจะวนอย่างไร

$RevolveReceiver=GETVAR('RevolveReceiver');
$RevolveReceiver1=GETVAR('RevolveReceiver1');
$RevolveReceiver2=GETVAR('RevolveReceiver2');
$RevolveReceiver3=GETVAR('RevolveReceiver3');



if($method=="add"){
	
	//Document data.
	$objRv->AddNew();

	$objRv->RevolveReceiver=$RevolveReceiver;
	$objRv->RevolveReceiverMsg=$RevolveReceiverMsg;
	$objRv->RevolvePublicDoc=$RevolvePublicDoc;
	$objRv->RevolveAlertEmail=$RevolveAlertEmail;
	$objRv->RevolveStatus=$RevolveStatus;
	$objRv->RevolveDeptOwner=$RevolveDeptOwner;
	$objRv->RevolveSendedTime=$RevolveSendedTime;
	$objRv->RevolveStartDueDateTime=$RevolveStartDueDateTime;
	$objRv->RevolveEndDueDateTime=$RevolveEndDueDateTime;
	$objRv->RevolveProcessTime=$RevolveProcessTime;
	//echo "time : ".$objRv->RevolveSendedTime;exit();
	$objRv->Save();