From e3aef81959f9f60125936e053edde2aee718d317 Mon Sep 17 00:00:00 2001
From: Ralf Becker <ralfbecker@outdoor-training.de>
Date: Thu, 24 Mar 2016 13:30:59 +0000
Subject: [PATCH] kope with not unserializable content in preferences stalling
 update

---
 phpgwapi/inc/class.preferences.inc.php | 1 +
 1 file changed, 1 insertion(+)

diff --git a/phpgwapi/inc/class.preferences.inc.php b/phpgwapi/inc/class.preferences.inc.php
index c6fe4b14cf..2a3a72efac 100644
--- a/phpgwapi/inc/class.preferences.inc.php
+++ b/phpgwapi/inc/class.preferences.inc.php
@@ -747,6 +747,7 @@ class preferences
 		foreach($db->select(self::TABLE, '*', $where, __LINE__, __FILE__) as $row)
 		{
 			$prefs = self::unserialize($row['preference_value']);
+			if (!is_array($prefs)) $prefs = array();	// would stall update otherwise
 
 			if ($name[0] == '/' && substr($name, -1) == '/')
 			{