From 146d72468f33f76dfe8b3503d0da7d96ca38f868 Mon Sep 17 00:00:00 2001
From: 3D-I <480857+3D-I@users.noreply.github.com>
Date: Thu, 26 Nov 2020 23:58:34 +0100
Subject: [PATCH] [ticket/16641] Fix config.php validation in ACP - PHP 8

PHPBB3-16641
---
 phpBB/includes/acp/acp_main.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/phpBB/includes/acp/acp_main.php b/phpBB/includes/acp/acp_main.php
index a1ce3a00c9..368e7c5996 100644
--- a/phpBB/includes/acp/acp_main.php
+++ b/phpBB/includes/acp/acp_main.php
@@ -681,7 +681,7 @@ class acp_main
 
 		$config_ref = $phpbb_root_path . 'config.' . $phpEx;
 
-		if (!defined('PHPBB_DISABLE_CONFIG_CHECK') && file_exists($phpbb_root_path . 'config.' . $phpEx)
+		if (!defined('PHPBB_DISABLE_CONFIG_CHECK') && file_exists($config_ref)
 			&& (function_exists('is_writable') ? is_writable($config_ref) : $phpbb_filesystem->is_writable($config_ref))
 		)
 		{