From b3b2ccc6c01bfcefcb8cb49277ea49a681188b71 Mon Sep 17 00:00:00 2001
From: Dirk Bauer <dirk.bauer@iserv.eu>
Date: Mon, 27 Jun 2022 14:58:58 +0200
Subject: [PATCH] Fixed php8 deprecation for htmlspecialchars (#fixes 266)

---
 htdocs/always.php | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/htdocs/always.php b/htdocs/always.php
index 984cc403..83bbfd7d 100644
--- a/htdocs/always.php
+++ b/htdocs/always.php
@@ -44,7 +44,9 @@ function clean_get() {
 // relies on variables that are easily manipulated by the user. These lines and functions filter all those variables.
 if(isset($_POST)) array_walk($_POST, 'filter_post');
 $_GET = clean_get();
-$_SERVER['REQUEST_URI'] = str_replace("&amp;", "&", htmlspecialchars($_SERVER['REQUEST_URI']));
+if (isset($_SERVER['REQUEST_URI'])) {
+    $_SERVER['REQUEST_URI'] = str_replace("&amp;", "&", htmlspecialchars($_SERVER['REQUEST_URI']));
+}
 if (isset($_SERVER['HTTP_REFERER'])) {
     $_SERVER['HTTP_REFERER'] = htmlspecialchars(@$_SERVER['HTTP_REFERER']);
 }