From 212164beaaad87c87724672f2d1316b78016c452 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Martin=20Proch=C3=A1zka?= <juniwalk@outlook.cz>
Date: Wed, 6 Dec 2023 21:00:53 +0100
Subject: [PATCH 1/2] Switch self keyword in callback to class name

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

diff --git a/src/XMLBuild.php b/src/XMLBuild.php
index dce4562..8db197e 100644
--- a/src/XMLBuild.php
+++ b/src/XMLBuild.php
@@ -100,7 +100,7 @@ public static function attributeValue($value)
 
         // REC-xml/#AVNormalize - preserve
         // REC-xml/#sec-line-ends - preserve
-        $buffer = preg_replace_callback('~\r\n|\r(?!\n)|\t~', array('self', 'numericEntitiesSingleByte'), $buffer);
+        $buffer = preg_replace_callback('~\r\n|\r(?!\n)|\t~', array('XMLBuild', 'numericEntitiesSingleByte'), $buffer);
 
         return htmlspecialchars($buffer, ENT_QUOTES, 'UTF-8', false);
     }

From 42af9489405c704a851e0aa23ba3d249b7688a90 Mon Sep 17 00:00:00 2001
From: juniwalk <juniwalk@outlook.cz>
Date: Sun, 27 Jul 2025 12:18:22 +0200
Subject: [PATCH 2/2] Explicit nullable type

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

diff --git a/src/XMLReaderNode.php b/src/XMLReaderNode.php
index 0ef42e1..6b41206 100644
--- a/src/XMLReaderNode.php
+++ b/src/XMLReaderNode.php
@@ -212,7 +212,7 @@ public function readOuterXml()
      * @throws BadMethodCallException
      * @return DOMNode
      */
-    public function expand(DOMNode $baseNode = null)
+    public function expand(?DOMNode $baseNode = null)
     {
         if (null === $baseNode) {
             $baseNode = new DomDocument();