From ccb7442d1b6542c553186f6fc06b538b1133fb52 Mon Sep 17 00:00:00 2001
From: Jakub Vrana <jakub@vrana.cz>
Date: Fri, 12 Feb 2021 09:53:20 +0100
Subject: [PATCH] Fix more PHP 8 warnings (bug #781)

---
 adminer/include/adminer.inc.php | 1 +
 adminer/include/auth.inc.php    | 2 +-
 changes.txt                     | 1 +
 3 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/adminer/include/adminer.inc.php b/adminer/include/adminer.inc.php
index 5d0aebb6..4990399c 100644
--- a/adminer/include/adminer.inc.php
+++ b/adminer/include/adminer.inc.php
@@ -956,6 +956,7 @@ class Adminer {
 				echo "<ul id='logins'>\n$output</ul>\n" . script("mixin(qs('#logins'), {onmouseover: menuOver, onmouseout: menuOut});");
 			}
 		} else {
+			$tables = array();
 			if ($_GET["ns"] !== "" && !$missing && DB != "") {
 				$connection->select_db(DB);
 				$tables = table_status('', true);
diff --git a/adminer/include/auth.inc.php b/adminer/include/auth.inc.php
index b8ce053f..ed104154 100644
--- a/adminer/include/auth.inc.php
+++ b/adminer/include/auth.inc.php
@@ -41,7 +41,7 @@ function add_invalid_login() {
 function check_invalid_login() {
 	global $adminer;
 	$invalids = unserialize(@file_get_contents(get_temp_dir() . "/adminer.invalid")); // @ - may not exist
-	$invalid = $invalids[$adminer->bruteForceKey()];
+	$invalid = ($invalids ? $invalids[$adminer->bruteForceKey()] : array());
 	$next_attempt = ($invalid[1] > 29 ? $invalid[0] - time() : 0); // allow 30 invalid attempts
 	if ($next_attempt > 0) { //! do the same with permanent login
 		auth_error(lang('Too many unsuccessful logins, try again in %d minute(s).', ceil($next_attempt / 60)));
diff --git a/changes.txt b/changes.txt
index a7275a52..d5211cc1 100644
--- a/changes.txt
+++ b/changes.txt
@@ -1,4 +1,5 @@
 Adminer 4.8.1-dev:
+Fix more PHP 8 warnings (bug #781)
 
 Adminer 4.8.0 (released 2021-02-10):
 Support function default values in insert (bug #713)