From c4a5a0920568170927ad621bdb24dd744e3e0e1f Mon Sep 17 00:00:00 2001
From: Sebastian Meyer <sebastian.meyer@opencultureconsulting.com>
Date: Wed, 8 May 2024 15:39:09 +0200
Subject: [PATCH] Avoid null values for XML elements

---
 Classes/Response.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Classes/Response.php b/Classes/Response.php
index 17d1dfd..6a7a37c 100644
--- a/Classes/Response.php
+++ b/Classes/Response.php
@@ -78,7 +78,7 @@ class Response {
      * @param string $nodeName The name of appending node.
      * @param string $value    The content of appending node.
      */
-    public function addToVerbNode($nodeName, $value = null) {
+    public function addToVerbNode($nodeName, $value = '') {
         if (!isset($this->verbNode) && !empty($this->verb)) {
             $this->verbNode = $this->addChild($this->doc->documentElement, $this->verb);
         }