From ee4f28e375cf4047b0524963d68f20ed5f5da2b0 Mon Sep 17 00:00:00 2001
From: Damien Regad <dregad@mantisbt.org>
Date: Tue, 26 Jan 2021 12:06:19 +0100
Subject: [PATCH] Fix warning in install.php on PHP 8

Warning: Undefined array key "pop" in install.php on line 427

In PHP 8, attempting to read an undefined array key throws a warning
instead of a notice as in earlier versions [1].

[1]: https://www.php.net/manual/en/migration80.incompatible.php
---
 install.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/install.php b/install.php
index d2c0d6b96..f37a15435 100644
--- a/install.php
+++ b/install.php
@@ -424,7 +424,7 @@ EOT;
     }
 
     // enable popularity submission
-    if($d['pop']){
+    if(isset($d['pop']) && $d['pop']){
         @touch(DOKU_INC.'data/cache/autosubmit.txt');
     }