From 6230c6249e272567bcdce6e01e1c44c929cb347f Mon Sep 17 00:00:00 2001
From: Damien Metzger <damien.metzger@prestashop.com>
Date: Mon, 2 Dec 2013 09:25:28 +0100
Subject: [PATCH] [-] FO : fixed potential error when you delete a best seller
 #PSCFV-11167

---
 classes/ProductSale.php | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/classes/ProductSale.php b/classes/ProductSale.php
index d24400f5d..6830f628e 100644
--- a/classes/ProductSale.php
+++ b/classes/ProductSale.php
@@ -89,7 +89,8 @@ class ProductSaleCore
 	
 		$ids = array();
 		foreach ($products as $product)
-			$ids[$product['id_product']] = 1;
+			if (Validate::isUnsignedId($product['id_product']))
+				$ids[$product['id_product']] = 1;
 		$ids = array_keys($ids);
 		$ids = array_filter($ids);
 		sort($ids);