From 2c5f141cc115ee9d40a0fb3e75bacf93a0ae3ca3 Mon Sep 17 00:00:00 2001
From: "Alexander A. Klimov" <alexander.klimov@icinga.com>
Date: Wed, 2 Dec 2020 19:22:19 +0100
Subject: [PATCH] /setup/: ensure not to pass an empty array to max()

... as PHP 8 doesn't tolerate such.

refs #4287
---
 modules/setup/application/views/scripts/index/index.phtml | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/modules/setup/application/views/scripts/index/index.phtml b/modules/setup/application/views/scripts/index/index.phtml
index b5fb40798..3a6e17965 100644
--- a/modules/setup/application/views/scripts/index/index.phtml
+++ b/modules/setup/application/views/scripts/index/index.phtml
@@ -9,10 +9,10 @@ $currentPos = array_search($wizard->getCurrentPage(), $pages, true);
 list($configPagesLeft, $configPagesRight) = array_chunk($configPages, count($configPages) / 2, true);
 
 $visitedPages = array_keys($wizard->getPageData());
-$maxProgress = @max(array_keys(array_filter(
+$maxProgress = max(array_merge([0], array_keys(array_filter(
     $pages,
     function ($page) use ($visitedPages) { return in_array($page->getName(), $visitedPages); }
-)));
+))));
 
 ?>
 <div id="setup-content-wrapper" data-base-target="layout">