From: joancyho <redacted>
Date: Tue, 29 Aug 2023 06:58:57 +0000 (+0800)
Subject: Fixed OIDC Logout
X-Git-Tag: v23.12~1^2~15^2~5^2
X-Git-Url: http://source.bookstackapp.com/bookstack/commitdiff_plain/refs/pull/4467/head

Fixed OIDC Logout
---

diff --git a/app/Access/Oidc/OidcService.php b/app/Access/Oidc/OidcService.php
index bd4964c57..d699204bb 100644
--- a/app/Access/Oidc/OidcService.php
+++ b/app/Access/Oidc/OidcService.php
@@ -301,7 +301,7 @@ class OidcService
     public function logout() {
 
         $config = $this->config();
-        $app_url = env('APP_URL', null);
+        $app_url = env('APP_URL', '');
         $end_session_endpoint = $config["end_session_endpoint"];
 
         $oidctoken = session()->get("oidctoken");