#!/usr/bin/php select("OrderProduct", "id", "price_nne = 0 AND price_nbe = 0"); if(!$db->num_rows($res)) { exit; } while($data = $db->fetch_object($res)) { $op = new OrderProduct($data->id); if(!($op->product->price_nne > 0) && !($op->product->price_nbe > 0)) { //echo "nope\n"; continue; } echo $op->product->name."\n ".$op->price_nne. " ".$op->price_nbe." -> ".$op->product->price_nne." ".$op->product->price_nbe."\n"; //continue; $op->price_nne = $op->product->price_nne; $op->price_nbe = $op->product->price_nbe; $op->save(); }