From f21e00b3c59d25a50c412208b647780d3e3f7ccf Mon Sep 17 00:00:00 2001
From: Lai Wei <lai.wei@enovation.ie>
Date: Wed, 4 Oct 2023 09:54:22 +0100
Subject: [PATCH] Fix an issue in upgrade script in processing system API user
 token

---
 local/o365/db/upgrade.php | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/local/o365/db/upgrade.php b/local/o365/db/upgrade.php
index 443658065..b7dc4c71a 100644
--- a/local/o365/db/upgrade.php
+++ b/local/o365/db/upgrade.php
@@ -723,6 +723,10 @@ function xmldb_local_o365_upgrade($oldversion) {
         if ($systemtokensconfig !== false) {
             $systemtokensconfig = unserialize($systemtokensconfig);
             foreach ($systemtokensconfig as $resource => $tokenconfig) {
+                // Make sure this is an array.
+                if (!is_array($tokenconfig)) {
+                    continue;
+                }
                 if (array_key_exists('resource', $tokenconfig)) {
                     $systemtokensconfig[$resource]['tokenresource'] = $tokenconfig['resource'];
                     unset($systemtokensconfig[$resource]['resource']);