From 81bd9f2c76d8494008f107c4341859c2186c63ff Mon Sep 17 00:00:00 2001
From: =?utf8?q?Tim=20D=C3=BCsterhus?= <duesterhus@woltlab.com>
Date: Wed, 11 May 2022 12:00:32 +0200
Subject: [PATCH] Make ApplicationHandler::isMultiDomainSetup() always return
 false

see #4295
---
 .../application/ApplicationHandler.class.php  | 23 ++-----------------
 1 file changed, 2 insertions(+), 21 deletions(-)

diff --git a/wcfsetup/install/files/lib/system/application/ApplicationHandler.class.php b/wcfsetup/install/files/lib/system/application/ApplicationHandler.class.php
index 35737b9054..823a52c70b 100644
--- a/wcfsetup/install/files/lib/system/application/ApplicationHandler.class.php
+++ b/wcfsetup/install/files/lib/system/application/ApplicationHandler.class.php
@@ -11,7 +11,6 @@ use wcf\system\cache\builder\ApplicationCacheBuilder;
 use wcf\system\request\RequestHandler;
 use wcf\system\request\RouteHandler;
 use wcf\system\SingletonFactory;
-use wcf\system\WCF;
 use wcf\util\ArrayUtil;
 use wcf\util\FileUtil;
 use wcf\util\StringUtil;
@@ -33,12 +32,6 @@ class ApplicationHandler extends SingletonFactory
      */
     protected $cache;
 
-    /**
-     * true for multi-domain setups
-     * @var bool
-     */
-    protected $isMultiDomain;
-
     /**
      * list of page URLs
      * @var string[]
@@ -233,7 +226,7 @@ class ApplicationHandler extends SingletonFactory
     }
 
     /**
-     * Returns true if this is a multi-domain setup.
+     * Always returns false.
      *
      * @return      bool
      * @since       3.1
@@ -241,19 +234,7 @@ class ApplicationHandler extends SingletonFactory
      */
     public function isMultiDomainSetup()
     {
-        if ($this->isMultiDomain === null) {
-            $this->isMultiDomain = false;
-
-            $domainName = $this->getApplicationByID(1)->domainName;
-            foreach ($this->getApplications() as $application) {
-                if ($application->domainName !== $domainName) {
-                    $this->isMultiDomain = true;
-                    break;
-                }
-            }
-        }
-
-        return $this->isMultiDomain;
+        return false;
     }
 
     /**
-- 
2.20.1