From 8382b36823964746322c432a07e3fdf63a3b5d9b Mon Sep 17 00:00:00 2001
From: 3D-I <480857+3D-I@users.noreply.github.com>
Date: Thu, 31 Dec 2020 10:18:32 +0100
Subject: [PATCH] [ticket/16670] Fix ACP check-in for OAuth provider keys - PHP
 8

PHPBB3-16670
---
 phpBB/includes/acp/acp_board.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/phpBB/includes/acp/acp_board.php b/phpBB/includes/acp/acp_board.php
index e22d493a0f..08798b27ec 100644
--- a/phpBB/includes/acp/acp_board.php
+++ b/phpBB/includes/acp/acp_board.php
@@ -688,7 +688,7 @@ class acp_board
 			if ($submit && (($cfg_array['auth_method'] != $this->new_config['auth_method']) || $updated_auth_settings))
 			{
 				$method = basename($cfg_array['auth_method']);
-				if (array_key_exists('auth.provider.' . $method, $auth_providers))
+				if (array_key_exists('auth.provider.' . $method, (array) $auth_providers))
 				{
 					$provider = $auth_providers['auth.provider.' . $method];
 					if ($error = $provider->init())