From 7655b0e9d446eab18572a091adf79201a2a02b25 Mon Sep 17 00:00:00 2001
From: Jan Schneider <jan@horde.org>
Date: Mon, 23 Aug 2010 15:07:41 +0200
Subject: [PATCH] Check if unserialization failed.

---
 turba/lib/Turba.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/turba/lib/Turba.php b/turba/lib/Turba.php
index fc53c6ba5..63faa61f6 100644
--- a/turba/lib/Turba.php
+++ b/turba/lib/Turba.php
@@ -587,7 +587,7 @@ class Turba {
         /* Add the new addressbook to the user's list of visible address
          * books. */
         $prefs = json_decode($GLOBALS['prefs']->getValue('addressbooks'));
-        if (array_search($share_id, $prefs) === false) {
+        if (!is_array($prefs) || array_search($share_id, $prefs) === false) {
             $prefs[] = $share_id;
             $GLOBALS['prefs']->setValue('addressbooks', json_encode($prefs));
         }
-- 
2.11.0