From 2c5f242a53ac729a55fd52a60961abc1213838a0 Mon Sep 17 00:00:00 2001
From: Tim van Dijen <tvdijen@gmail.com>
Date: Wed, 27 May 2026 11:36:20 +0200
Subject: [PATCH 1/2] Fix use of incorrect property

---
 src/XPath/XPath.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/XPath/XPath.php b/src/XPath/XPath.php
index d1b4575f..8a664356 100644
--- a/src/XPath/XPath.php
+++ b/src/XPath/XPath.php
@@ -124,7 +124,7 @@ private static function registerAncestorNamespaces(DOMXPath $xp, DOMNode $node):
                     if ($attr->namespaceURI !== C_XML::NS_XMLNS) {
                         continue;
                     }
-                    $prefix = $attr->localName;
+                    $prefix = $attr->prefix;
                     $uri = (string) $attr->nodeValue;
 
                     if (

From 4053cea86d1a332d4150edef68ced8d59ac95990 Mon Sep 17 00:00:00 2001
From: Tim van Dijen <tvdijen@gmail.com>
Date: Wed, 27 May 2026 11:40:26 +0200
Subject: [PATCH 2/2] Prefix cannot be null

---
 src/XPath/XPath.php | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/src/XPath/XPath.php b/src/XPath/XPath.php
index 8a664356..0f22ad55 100644
--- a/src/XPath/XPath.php
+++ b/src/XPath/XPath.php
@@ -128,9 +128,7 @@ private static function registerAncestorNamespaces(DOMXPath $xp, DOMNode $node):
                     $uri = (string) $attr->nodeValue;
 
                     if (
-                        $prefix === null || $prefix === '' ||
-                        $prefix === 'xmlns' || $uri === '' ||
-                        isset($prefixToUri[$prefix])
+                        $prefix === '' || $prefix === 'xmlns' || $uri === '' || isset($prefixToUri[$prefix])
                     ) {
                         continue;
                     }