From e736f8001794a307ae7169750d0a7702828be9a2 Mon Sep 17 00:00:00 2001
From: Jun Pataleta <jun@moodle.com>
Date: Tue, 28 Mar 2023 18:48:31 +0800
Subject: [PATCH] MDL-77105 core: Cast custom data to an array when evaluating
 filtericon

Since other modules may treat custom data as an object, we need to make
cast it to an array before evaluating for the `filtericon` custom data.
---
 lib/modinfolib.php | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/lib/modinfolib.php b/lib/modinfolib.php
index 4ee66b79567..a8271423290 100644
--- a/lib/modinfolib.php
+++ b/lib/modinfolib.php
@@ -1830,7 +1830,8 @@ class cm_info implements IteratorAggregate {
         // Determine whether the icon will be filtered in the CSS.
         // This can be controlled by the module by declaring a 'filtericon' custom data.
         // If the 'filtericon' custom data is not set, icon filtering will be determined whether the module has a `monologo` icon.
-        $filtericon = $this->customdata['filtericon'] ?? $ismonologo;
+        // Additionally, we need to cast custom data to array as some modules may treat it as an object.
+        $filtericon = ((array)$this->customdata)['filtericon'] ?? $ismonologo;
         if ($filtericon) {
             $icon->param('filtericon', 1);
         }