From 4f54abdda219df6afe1a40e19f3f55b8c74f546c Mon Sep 17 00:00:00 2001
From: Ralf Becker <ralfbecker@outdoor-training.de>
Date: Thu, 11 Aug 2011 07:31:47 +0000
Subject: [PATCH] quietened PHP Warning: array_keys() expects parameter 1 to be
 array, null given on line 106

---
 phpgwapi/inc/class.hooks.inc.php | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/phpgwapi/inc/class.hooks.inc.php b/phpgwapi/inc/class.hooks.inc.php
index a1cefdf673..bd47372322 100644
--- a/phpgwapi/inc/class.hooks.inc.php
+++ b/phpgwapi/inc/class.hooks.inc.php
@@ -43,7 +43,7 @@ class hooks
 	var $table = 'egw_hooks';
 	/**
 	 * Hooks by location and appname
-	 * 
+	 *
 	 * @var array $location => $app => $file
 	 */
 	var $locations;
@@ -78,7 +78,7 @@ class hooks
 
 	/**
 	 * Executes all the hooks (the user has rights to) for a given location
-	 * 
+	 *
 	 * If no $order given, hooks are executed in the order of the applications!
 	 *
 	 * @param string|array $args location-name as string or array with keys location and
@@ -103,7 +103,7 @@ class hooks
 		if (!$no_permission_check)
 		{
 			// on install of a new egroupware both hook-apps and user apps may be empty/not set
-			$apps = array_intersect((array)$apps,(array)array_keys($GLOBALS['egw_info']['user']['apps']));
+			$apps = array_intersect((array)$apps,array_keys((array)$GLOBALS['egw_info']['user']['apps']));
 		}
 		if ($order)
 		{
@@ -254,9 +254,9 @@ class hooks
 			// some apps have setup_info for more then themselfs (eg. phpgwapi for groupdav)
 			foreach($setup_info as $appname => $data)
 			{
-				if ($data['hooks']) 
+				if ($data['hooks'])
 				{
-					if ($hdata[$appname]) 
+					if ($hdata[$appname])
 					{
 						$hdata[$appname]['hooks'] = array_merge($hdata[$appname]['hooks'],$data['hooks']);
 					}