From: pdontthink <pdontthink@7612ce4b-ef26-0410-bec9-ea0150e637f0>
Date: Wed, 30 Jan 2008 07:37:17 +0000 (+0000)
Subject: Fix undefined field problem
X-Git-Url: https://vcs.fsf.org/?p=squirrelmail.git;a=commitdiff_plain;h=c97c9b89aef0309233f193a3948447c53a76b9cc

Fix undefined field problem

git-svn-id: https://svn.code.sf.net/p/squirrelmail/code/trunk/squirrelmail@12907 7612ce4b-ef26-0410-bec9-ea0150e637f0
---

diff --git a/functions/imap_messages.php b/functions/imap_messages.php
index 19ce2d7f..e7df007b 100755
--- a/functions/imap_messages.php
+++ b/functions/imap_messages.php
@@ -231,7 +231,9 @@ function get_squirrel_sort($imap_stream, $sSortField, $reverse = false, $aUid =
 
     // sqimap_get_small_header (see above) returns fields in lower case,
     // but the code below uses all upper case
-    foreach ($msgs as $k => $v) $msgs[$k][strtoupper($sSortField)] = $msgs[$k][strtolower($sSortField)];
+    foreach ($msgs as $k => $v) 
+        if (isset($msgs[$k][strtolower($sSortField)])) 
+            $msgs[$k][strtoupper($sSortField)] = $msgs[$k][strtolower($sSortField)];
 
     $aUid = array();
     $walk = false;