update ไม่ได้คับ ช่วยดูให้หน่อยคับ #มือใหม่

<?php
if(isset($chk)){
	$brand_sub_id   = $func->getTable_name(durable_order,brand_sub_id,order_id,$out_order_id);
	$brand_id       = $func->getTable_name(durable_brand_sub,brand_id,brand_sub_id,$brand_sub_id);
	$stock_type_id	= $func->getTable_name(durable_brand,stock_type_id,brand_id,$brand_id);
	
	$sql1 = "UPDATE  durable_out_order SET out_order_number='$_POST[out_order_number]'
								WHERE out_order_id = '$out_order_id' ";


					if($result1 = mysql_db_query($db,$sql1) or die(mysql_error()) ){
						$out_order_id = $func->getTable_last(durable_out_order,out_order_id);

?>