小数计算精度问题

scan_orderv4_liedou.php

         $goods_name=$orderDetail["item_title"];
         $goods_name=str_replace(['"',"'"],'',$goods_name);
         $num=$orderDetail["item_num"];
-        $price=intval($orderDetail["price"]*100);
-        $sum_price=intval($orderDetail["alipay_total_price"]*100);
+        $price=intval($orderDetail["price"]*1000/10);
+        $sum_price=intval($orderDetail["alipay_total_price"]*1000/10);
 
         $statusDesc=$orderDetail["tk_status"];
         $typeDesc=$orderDetail["order_type"];