From f28659a025114094b5cfacba56bd46927ac21554 Mon Sep 17 00:00:00 2001
From: Tsvetan Koshutanski <ceckobecko@gmail.com>
Date: Thu, 25 Mar 2021 17:22:05 +0200
Subject: [PATCH] Check variable is of type array before using it

For PHP 7.4
---
 src/mibew/libs/groups.php | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/mibew/libs/groups.php b/src/mibew/libs/groups.php
index 3c6836f1..a9756d9b 100644
--- a/src/mibew/libs/groups.php
+++ b/src/mibew/libs/groups.php
@@ -76,6 +76,10 @@ function group_by_name($name)
  */
 function get_group_name($group)
 {
+    if (!is_array($group)) {
+        return null;
+    }
+
     $use_local_name = (get_home_locale() == get_current_locale())
         || !isset($group['vccommonname'])
         || !$group['vccommonname'];