From 93ab0dba88bc9f7f2c8349163f6e3143fc99f653 Mon Sep 17 00:00:00 2001
From: Gimli2 <gimli2@gmail.com>
Date: Fri, 26 May 2023 17:02:38 +0200
Subject: [PATCH] Handle case if SID constant is not defined.

---
 sigal.class.php | 1 +
 1 file changed, 1 insertion(+)

diff --git a/sigal.class.php b/sigal.class.php
index 31c7774..e01a5d8 100644
--- a/sigal.class.php
+++ b/sigal.class.php
@@ -1278,6 +1278,7 @@ function switch_lang() {
   * @return string
   */
   function remove_from_uri($param = "") {
+    if (!defined('SID')) define('SID', session_id());
     return substr(preg_replace("~(?<=[?&])($param" . (SID ? "" : "|" . session_name()) . ")=[^&]*&~", '', "$_SERVER[REQUEST_URI]&"), 0, -1);
   }
   /*========================================================================*/