From f49a34625e17a189fe528eb7e963d51defd655a2 Mon Sep 17 00:00:00 2001
From: Thomas Gelf <thomas@gelf.net>
Date: Tue, 19 Aug 2014 14:53:56 +0200
Subject: [PATCH] Url\Params: check for QUERY_STRING before using it

fixes #6957
---
 library/Icinga/Web/UrlParams.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/library/Icinga/Web/UrlParams.php b/library/Icinga/Web/UrlParams.php
index fa1b2a7f3..bdf776401 100644
--- a/library/Icinga/Web/UrlParams.php
+++ b/library/Icinga/Web/UrlParams.php
@@ -352,7 +352,7 @@ class UrlParams
     public static function fromQueryString($queryString = null)
     {
         if ($queryString === null) {
-            $queryString = $_SERVER['QUERY_STRING'];
+            $queryString = isset($_SERVER['QUERY_STRING']) ? $_SERVER['QUERY_STRING'] : '';
         }
         $params = new static();
         $params->parseQueryString($queryString);