From 23abf2663604a38c737cbfe11880a38f93a5eaa8 Mon Sep 17 00:00:00 2001
From: "r.fabiani" <romuald.wam@gmail.com>
Date: Fri, 27 Sep 2024 15:38:54 +0200
Subject: [PATCH] Return early if no nested categories retrieved

---
 ps_categorytree.php | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/ps_categorytree.php b/ps_categorytree.php
index 6e9efa9..5e4c617 100644
--- a/ps_categorytree.php
+++ b/ps_categorytree.php
@@ -139,6 +139,9 @@ private function getCategories($category): array
 
         // Retrieve them using the built in method
         $categories = Category::getNestedCategories($category->id, $this->context->language->id, true, $groups, true, $sqlFilter, $orderBy);
+        if (empty($categories)) {
+            return [];
+        }
 
         // Get path to current category so we can use it for marking
         $idsOfCategoriesInPath = $this->getIdsOfCategoriesInPathToCurrentCategory();