From 7e7ffd983bfbdc4f9e67201c522c4ba54a35c0f3 Mon Sep 17 00:00:00 2001
From: Marc Delisle <marc@infomarc.info>
Date: Tue, 20 Nov 2012 10:49:00 -0500
Subject: [PATCH] Undefined variables when copying a row

---
 tbl_change.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tbl_change.php b/tbl_change.php
index e76e8112df..f8b535a389 100644
--- a/tbl_change.php
+++ b/tbl_change.php
@@ -170,7 +170,7 @@ if (isset($where_clause)) {
 // Copying a row - fetched data will be inserted as a new row,
 // therefore the where clause is needless.
 if (isset($_REQUEST['default_action']) && $_REQUEST['default_action'] === 'insert') {
-    unset($where_clause, $where_clauses);
+    $where_clause = $where_clauses = null;
 }
 
 // retrieve keys into foreign fields, if any