From 330cab353e2272541a270441dd0672b701c20773 Mon Sep 17 00:00:00 2001
From: onli <onli@paskuda.biz>
Date: Sun, 6 Jun 2021 12:31:47 +0200
Subject: [PATCH] PHP 8 compat fix for showing plugin backend menus

---
 serendipity_admin.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/serendipity_admin.php b/serendipity_admin.php
index 5f0640ca..46d279d4 100644
--- a/serendipity_admin.php
+++ b/serendipity_admin.php
@@ -200,7 +200,7 @@ if (!$use_installer && $is_logged_in) {
             break;
 
         case 'event_display':
-            if ($serendipity['no_create'] !== true) {
+            if (($serendipity['no_create'] ?? false) !== true) {
                 serendipity_plugin_api::hook_event('backend_sidebar_entries_event_display_' . $serendipity['GET']['adminAction'], $serendipity);
             }
             break;