From c50e1c3654fad89c4eda8f7c7f9f446f64af6c71 Mon Sep 17 00:00:00 2001
From: Supercrafter100 <58982133+supercrafter100@users.noreply.github.com>
Date: Tue, 28 Mar 2023 21:37:44 +0200
Subject: [PATCH] Fix recursive group add (#3288)

---
 core/classes/Core/User.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/core/classes/Core/User.php b/core/classes/Core/User.php
index 886b91472f..0d2faef8c0 100644
--- a/core/classes/Core/User.php
+++ b/core/classes/Core/User.php
@@ -130,7 +130,7 @@ private function find(string $value, string $field = 'id'): bool {
      * @return bool True on success, false if they already have it.
      */
     public function addGroup(int $group_id, int $expire = 0): bool {
-        if (array_key_exists($group_id, $this->getGroups())) {
+        if (array_key_exists($group_id, $this->_groups ?? [])) {
             return false;
         }