diff --git a/src/Symfony/Component/VarDumper/Tests/Caster/DOMCasterTest.php b/src/Symfony/Component/VarDumper/Tests/Caster/DOMCasterTest.php
index f3f5e888a3eac..7b79939bfdd75 100644
--- a/src/Symfony/Component/VarDumper/Tests/Caster/DOMCasterTest.php
+++ b/src/Symfony/Component/VarDumper/Tests/Caster/DOMCasterTest.php
@@ -49,7 +49,10 @@ public function testCastModernImplementation()
         );
     }
 
-    public function testCastNode()
+    /**
+     * @requires PHP < 8.4
+     */
+    public function testCastNodePriorToPhp84()
     {
         $doc = new \DOMDocument();
         $doc->loadXML('<foo><bar/></foo>');
@@ -67,6 +70,27 @@ public function testCastNode()
         );
     }
 
+    /**
+     * @requires PHP 8.4
+     */
+    public function testCastNode()
+    {
+        $doc = new \DOMDocument();
+        $doc->loadXML('<foo><bar/></foo>');
+        $node = $doc->documentElement->firstChild;
+
+        $this->assertDumpMatchesFormat(<<<'EODUMP'
+            DOMElement {%A
+              +ownerDocument: ~ ?DOMDocument
+              +namespaceURI: ~ ?string
+              +prefix: ~ string
+              +localName: ~ ?string
+            %A}
+            EODUMP,
+            $node
+        );
+    }
+
     /**
      * @requires PHP 8.4
      */
@@ -77,9 +101,9 @@ public function testCastModernNode()
 
         $this->assertDumpMatchesFormat(<<<'EODUMP'
             Dom\Element {%A
-              +baseURI: ? string
-              +isConnected: ? bool
-              +ownerDocument: ? ?Dom\Document
+              +baseURI: ~ string
+              +isConnected: ~ bool
+              +ownerDocument: ~ ?Dom\Document
             %A}
             EODUMP,
             $node
@@ -142,7 +166,10 @@ public function testCastHTMLDocument()
         );
     }
 
-    public function testCastText()
+    /**
+     * @requires PHP < 8.4
+     */
+    public function testCastTextPriorToPhp84()
     {
         $doc = new \DOMText('foo');
 
@@ -155,6 +182,22 @@ public function testCastText()
         );
     }
 
+    /**
+     * @requires PHP 8.4
+     */
+    public function testCastText()
+    {
+        $doc = new \DOMText('foo');
+
+        $this->assertDumpMatchesFormat(<<<'EODUMP'
+            DOMText {%A
+              +wholeText: ~ string
+            }
+            EODUMP,
+            $doc
+        );
+    }
+
     /**
      * @requires PHP 8.4
      */
@@ -163,7 +206,7 @@ public function testCastModernText()
         $text = \Dom\HTMLDocument::createEmpty()->createTextNode('foo');
         $this->assertDumpMatchesFormat(<<<'EODUMP'
             Dom\Text {%A
-              +wholeText: ? string
+              +wholeText: ~ string
             }
             EODUMP,
             $text
@@ -199,11 +242,31 @@ public function testCastAttr()
 
         $this->assertDumpMatchesFormat(<<<'EODUMP'
             DOMAttr {%A
-              +name: ? string
-              +specified: ? bool
-              +value: ? string
-              +ownerElement: ? ?DOMElement
-              +schemaTypeInfo: ? mixed
+              +name: ~ string
+              +specified: ~ bool
+              +value: ~ string
+              +ownerElement: ~ ?DOMElement
+              +schemaTypeInfo: ~ mixed
+            }
+            EODUMP,
+            $attr
+        );
+    }
+
+    /**
+     * @requires PHP 8.4
+     */
+    public function testCastAttrPrior()
+    {
+        $attr = new \DOMAttr('attr', 'value');
+
+        $this->assertDumpMatchesFormat(<<<'EODUMP'
+            DOMAttr {%A
+              +name: ~ string
+              +specified: ~ bool
+              +value: ~ string
+              +ownerElement: ~ ?DOMElement
+              +schemaTypeInfo: ~ mixed
             }
             EODUMP,
             $attr
@@ -219,17 +282,20 @@ public function testCastModernAttr()
 
         $this->assertDumpMatchesFormat(<<<'EODUMP'
             Dom\Attr {%A
-              +name: ? string
-              +value: ? string
-              +ownerElement: ? ?Dom\Element
-              +specified: ? bool
+              +name: ~ string
+              +value: ~ string
+              +ownerElement: ~ ?Dom\Element
+              +specified: ~ bool
             }
             EODUMP,
             $attr
         );
     }
 
-    public function testCastElement()
+    /**
+     * @requires PHP < 8.4
+     */
+    public function testCastElementPriorToPhp84()
     {
         $attr = new \DOMElement('foo');
 
@@ -242,6 +308,22 @@ public function testCastElement()
         );
     }
 
+    /**
+     * @requires PHP 8.4
+     */
+    public function testCastElement()
+    {
+        $attr = new \DOMElement('foo');
+
+        $this->assertDumpMatchesFormat(<<<'EODUMP'
+            DOMElement {%A
+              +tagName: ~ string
+            %A}
+            EODUMP,
+            $attr
+        );
+    }
+
     /**
      * @requires PHP 8.4
      */
@@ -251,14 +333,17 @@ public function testCastModernElement()
 
         $this->assertDumpMatchesFormat(<<<'EODUMP'
             Dom\HTMLElement {%A
-              +tagName: ? string
+              +tagName: ~ string
             %A}
             EODUMP,
             $attr
         );
     }
 
-    public function testCastDocumentType()
+    /**
+     * @requires PHP < 8.4
+     */
+    public function testCastDocumentTypePriorToPhp84()
     {
         $implementation = new \DOMImplementation();
         $type = $implementation->createDocumentType('html', 'publicId', 'systemId');
@@ -277,6 +362,28 @@ public function testCastDocumentType()
         );
     }
 
+    /**
+     * @requires PHP 8.4
+     */
+    public function testCastDocumentType()
+    {
+        $implementation = new \DOMImplementation();
+        $type = $implementation->createDocumentType('html', 'publicId', 'systemId');
+
+        $this->assertDumpMatchesFormat(<<<'EODUMP'
+            DOMDocumentType {%A
+              +name: ~ string
+              +entities: ~ DOMNamedNodeMap
+              +notations: ~ DOMNamedNodeMap
+              +publicId: ~ string
+              +systemId: ~ string
+              +internalSubset: ~ ?string
+            }
+            EODUMP,
+            $type
+        );
+    }
+
     /**
      * @requires PHP 8.4
      */
@@ -287,19 +394,22 @@ public function testCastModernDocumentType()
 
         $this->assertDumpMatchesFormat(<<<'EODUMP'
             Dom\DocumentType {%A
-              +name: ? string
-              +entities: ? Dom\DtdNamedNodeMap
-              +notations: ? Dom\DtdNamedNodeMap
-              +publicId: ? string
-              +systemId: ? string
-              +internalSubset: ? ?string
+              +name: ~ string
+              +entities: ~ Dom\DtdNamedNodeMap
+              +notations: ~ Dom\DtdNamedNodeMap
+              +publicId: ~ string
+              +systemId: ~ string
+              +internalSubset: ~ ?string
             }
             EODUMP,
             $type
         );
     }
 
-    public function testCastProcessingInstruction()
+    /**
+     * @requires PHP < 8.4
+     */
+    public function testCastProcessingInstructionPriorToPhp84()
     {
         $entity = new \DOMProcessingInstruction('target', 'data');
 
@@ -313,6 +423,23 @@ public function testCastProcessingInstruction()
         );
     }
 
+    /**
+     * @requires PHP 8.4
+     */
+    public function testCastProcessingInstruction()
+    {
+        $entity = new \DOMProcessingInstruction('target', 'data');
+
+        $this->assertDumpMatchesFormat(<<<'EODUMP'
+            DOMProcessingInstruction {%A
+              +target: ~ string
+              +data: ~ string
+            }
+            EODUMP,
+            $entity
+        );
+    }
+
     /**
      * @requires PHP 8.4
      */
@@ -322,16 +449,19 @@ public function testCastModernProcessingInstruction()
 
         $this->assertDumpMatchesFormat(<<<'EODUMP'
             Dom\ProcessingInstruction {%A
-              +data: ? string
-              +length: ? int
-              +target: ? string
+              +data: ~ string
+              +length: ~ int
+              +target: ~ string
             }
             EODUMP,
             $entity
         );
     }
 
-    public function testCastXPath()
+    /**
+     * @requires PHP < 8.4
+     */
+    public function testCastXPathPriorToPhp84()
     {
         $xpath = new \DOMXPath(new \DOMDocument());
 
@@ -345,6 +475,23 @@ public function testCastXPath()
         );
     }
 
+    /**
+     * @requires PHP 8.4
+     */
+    public function testCastXPath()
+    {
+        $xpath = new \DOMXPath(new \DOMDocument());
+
+        $this->assertDumpEquals(<<<'EODUMP'
+            DOMXPath {
+              +document: ~ DOMDocument
+              +registerNodeNamespaces: ~ bool
+            }
+            EODUMP,
+            $xpath
+        );
+    }
+
     /**
      * @requires PHP 8.4
      */
@@ -354,8 +501,8 @@ public function testCastModernXPath()
 
         $this->assertDumpEquals(<<<'EODUMP'
             Dom\XPath {
-              +document: ? Dom\Document
-              +registerNodeNamespaces: ? bool
+              +document: ~ Dom\Document
+              +registerNodeNamespaces: ~ bool
             }
             EODUMP,
             $entity
diff --git a/src/Symfony/Component/VarDumper/Tests/Caster/XmlReaderCasterTest.php b/src/Symfony/Component/VarDumper/Tests/Caster/XmlReaderCasterTest.php
index 635c4c4e8f4db..67feddba0f542 100644
--- a/src/Symfony/Component/VarDumper/Tests/Caster/XmlReaderCasterTest.php
+++ b/src/Symfony/Component/VarDumper/Tests/Caster/XmlReaderCasterTest.php
@@ -34,7 +34,10 @@ protected function tearDown(): void
         $this->reader->close();
     }
 
-    public function testParserProperty()
+    /**
+     * @requires PHP < 8.4
+     */
+    public function testParserPropertyPriorToPhp84()
     {
         $this->reader->setParserProperty(\XMLReader::SUBST_ENTITIES, true);
 
@@ -53,6 +56,33 @@ public function testParserProperty()
     }
 
     /**
+     * @requires PHP 8.4
+     */
+    public function testParserProperty()
+    {
+        $this->reader->setParserProperty(\XMLReader::SUBST_ENTITIES, true);
+
+        $expectedDump = <<<'EODUMP'
+XMLReader {%A
+  +nodeType: ~ int
+%A
+  parserProperties: {
+    SUBST_ENTITIES: true
+     …3
+  }
+   …12
+}
+EODUMP;
+
+        $this->assertDumpMatchesFormat($expectedDump, $this->reader);
+    }
+
+    /**
+     * This test only work before PHP 8.4. In PHP 8.4, XMLReader properties are virtual
+     * and their values are not dumped.
+     *
+     * @requires PHP < 8.4
+     *
      * @dataProvider provideNodes
      */
     public function testNodes($seek, $expectedDump)
@@ -245,7 +275,10 @@ public static function provideNodes()
         ];
     }
 
-    public function testWithUninitializedXMLReader()
+    /**
+     * @requires PHP < 8.4
+     */
+    public function testWithUninitializedXMLReaderPriorToPhp84()
     {
         $this->reader = new \XMLReader();
 
@@ -254,6 +287,24 @@ public function testWithUninitializedXMLReader()
   +nodeType: NONE
    …13
 }
+EODUMP;
+
+        $this->assertDumpMatchesFormat($expectedDump, $this->reader);
+    }
+
+    /**
+     * @requires PHP 8.4
+     */
+    public function testWithUninitializedXMLReader()
+    {
+        $this->reader = new \XMLReader();
+
+        $expectedDump = <<<'EODUMP'
+XMLReader {%A
+  +nodeType: ~ int
+%A
+   …13
+}
 EODUMP;
 
         $this->assertDumpMatchesFormat($expectedDump, $this->reader);