From e834cb418bf9255ce3d17b5e20cc2c3164174ab6 Mon Sep 17 00:00:00 2001
From: HorstOeko <horstoeko@erling.com.de>
Date: Sun, 15 Sep 2024 13:23:27 +0200
Subject: [PATCH] Fix warnings in loadFromXmlString, now throwing exceptions

---
 src/XmlDocumentReader.php | 14 +++++++++++++-
 1 file changed, 13 insertions(+), 1 deletion(-)

diff --git a/src/XmlDocumentReader.php b/src/XmlDocumentReader.php
index d0fab7a..bc62b2b 100644
--- a/src/XmlDocumentReader.php
+++ b/src/XmlDocumentReader.php
@@ -97,7 +97,19 @@ public function loadFromXmlString(string $source): XmlDocumentReader
      */
     public function loadFromXmlFile(string $filename): XmlDocumentReader
     {
-        $this->internalDomDocument->load($filename);
+        $prevUseInternalErrors = \libxml_use_internal_errors(true);
+        
+        try {
+            $this->internalDomDocument->load($filename);
+            if (libxml_get_last_error()) {
+                throw new RuntimeException("Invalid XML detected.");
+            }
+        } catch (Throwable $e) {
+            throw new RuntimeException("Invalid XML detected.");
+        } finally {
+            libxml_clear_errors();
+            libxml_use_internal_errors($prevUseInternalErrors);
+        }
 
         $this->registerDomXPath();
         $this->registerNamespacesInDomXPath();