From 82103efdf38d155d1d13751bd9170f5488c80d16 Mon Sep 17 00:00:00 2001
From: Bartek Wajda <bartlomiej.wajda@ibexa.co>
Date: Thu, 5 Sep 2024 10:19:43 +0200
Subject: [PATCH] Fixup

---
 src/lib/Output/Generator/InMemory/Xml.php | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/src/lib/Output/Generator/InMemory/Xml.php b/src/lib/Output/Generator/InMemory/Xml.php
index d2f0e012..92f6c0c9 100644
--- a/src/lib/Output/Generator/InMemory/Xml.php
+++ b/src/lib/Output/Generator/InMemory/Xml.php
@@ -33,11 +33,14 @@ public function transformData(array $normalizedData): array
     {
         $topNodeName = array_key_first($normalizedData);
         $data = array_filter(
-            $normalizedData[$topNodeName],
+            $normalizedData[$topNodeName] ?? [],
             static fn (string $key): bool => str_starts_with($key, '@'),
             ARRAY_FILTER_USE_KEY,
         );
-        $data['#'] = $normalizedData[$topNodeName];
+
+        if ($topNodeName !== null) {
+            $data['#'] = $normalizedData[$topNodeName];
+        }
 
         return $data;
     }