From: Mikael Nordfeldth <mmn@hethane.se>
Date: Thu, 31 Mar 2016 18:51:50 +0000 (+0200)
Subject: Make sure $_SERVER['HTTP_REFERER'] isset when testing value
X-Git-Url: https://git.mxchange.org/?a=commitdiff_plain;h=44ea8aa681132475f253960c694b8c001cdc5c0e;p=quix0rs-gnu-social.git

Make sure $_SERVER['HTTP_REFERER'] isset when testing value
---

diff --git a/lib/util.php b/lib/util.php
index bc4898f847..b35eff84d8 100644
--- a/lib/util.php
+++ b/lib/util.php
@@ -266,7 +266,8 @@ function common_logged_in()
 
 function common_local_referer()
 {
-    return parse_url($_SERVER['HTTP_REFERER'], PHP_URL_HOST) === common_config('site', 'server');
+    return isset($_SERVER['HTTP_REFERER'])
+            && parse_url($_SERVER['HTTP_REFERER'], PHP_URL_HOST) === common_config('site', 'server');
 }
 
 function common_have_session()