From 43371ebb2c31eed72f0367b3a474e7f980ffcf75 Mon Sep 17 00:00:00 2001
From: Rodolphe Quiedeville <rodolphe@quiedeville.org>
Date: Fri, 15 Dec 2006 13:16:43 +0000
Subject: [PATCH] Utilise isset dans load_next_ref

---
 htdocs/product.class.php | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/htdocs/product.class.php b/htdocs/product.class.php
index b49c9945718..f6c25feb581 100644
--- a/htdocs/product.class.php
+++ b/htdocs/product.class.php
@@ -945,7 +945,7 @@ class Product
     $sql = "SELECT MAX(ref)";
     $sql.= " FROM ".MAIN_DB_PREFIX."product";
     $sql.= " WHERE ref < '".addslashes($this->ref)."'";
-    if ($filter) $sql.=" AND ".$filter;
+    if (isset($filter)) $sql.=" AND ".$filter;
     $result = $this->db->query($sql) ;
     if (! $result)
       {
@@ -958,7 +958,7 @@ class Product
     $sql = "SELECT MIN(ref)";
     $sql.= " FROM ".MAIN_DB_PREFIX."product";
     $sql.= " WHERE ref > '".addslashes($this->ref)."'";
-    if ($filter) $sql.=" AND ".$filter;
+    if (isset($filter)) $sql.=" AND ".$filter;
     $result = $this->db->query($sql) ;
     if (! $result)
       {