From 36ea4c22dc64c95a9fdfc2d8944a203d9330b306 Mon Sep 17 00:00:00 2001
From: Yannick Warnier <ywarnier@beeznest.org>
Date: Thu, 16 Feb 2023 02:07:13 +0100
Subject: [PATCH] Internal: Add array checks to avoid notices

---
 main/user/user.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/main/user/user.php b/main/user/user.php
index 77f8460ba8..4f010dc149 100755
--- a/main/user/user.php
+++ b/main/user/user.php
@@ -448,7 +448,7 @@ if (api_is_allowed_to_edit(null, true)) {
 
             $result = Database::query($sql);
             $row = Database::fetch_array($result, 'ASSOC');
-            if ($row['user_id'] == $user_id || $row['user_id'] == "") {
+            if (!empty($row) && is_array($row) && isset($row['user_id']) && ($row['user_id'] == $user_id || $row['user_id'] == "")) {
                 CourseManager::unsubscribe_user($_GET['user_id'], $courseCode);
                 Display::addFlash(
                     Display::return_message(get_lang('UserUnsubscribed'))