Use @virtual annotation in XMLReader

All properties of XMLReader are virtual and therefore don't need backing
storage.

Author: nielsdos

ext/xmlreader/php_xmlreader.stub.php

@@ -99,32 +99,46 @@ class XMLReader
     public const int SUBST_ENTITIES = UNKNOWN;
 
 
+    /** @virtual */
     public int $attributeCount;
 
+    /** @virtual */
     public string $baseURI;
 
+    /** @virtual */
     public int $depth;
 
+    /** @virtual */
     public bool $hasAttributes;
 
+    /** @virtual */
     public bool $hasValue;
 
+    /** @virtual */
     public bool $isDefault;
 
+    /** @virtual */
     public bool $isEmptyElement;
 
+    /** @virtual */
     public string $localName;
 
+    /** @virtual */
     public string $name;
 
+    /** @virtual */
     public string $namespaceURI;
 
+    /** @virtual */
     public int $nodeType;
 
+    /** @virtual */
     public string $prefix;
 
+    /** @virtual */
     public string $value;
 
+    /** @virtual */
     public string $xmlLang;
 
     /** @tentative-return-type */

ext/xmlreader/php_xmlreader_arginfo.h

@@ -27,34 +27,6 @@ fclose($h);
 --EXPECTF--
 hello world
 object(CustomXMLReader)#%d (1) {
-  ["attributeCount"]=>
-  uninitialized(int)
-  ["baseURI"]=>
-  uninitialized(string)
-  ["depth"]=>
-  uninitialized(int)
-  ["hasAttributes"]=>
-  uninitialized(bool)
-  ["hasValue"]=>
-  uninitialized(bool)
-  ["isDefault"]=>
-  uninitialized(bool)
-  ["isEmptyElement"]=>
-  uninitialized(bool)
-  ["localName"]=>
-  uninitialized(string)
-  ["name"]=>
-  uninitialized(string)
-  ["namespaceURI"]=>
-  uninitialized(string)
-  ["nodeType"]=>
-  uninitialized(int)
-  ["prefix"]=>
-  uninitialized(string)
-  ["value"]=>
-  uninitialized(string)
-  ["xmlLang"]=>
-  uninitialized(string)
   ["myField"]=>
   int(1234)
 }

ext/xmlreader/tests/fromStream_custom_constructor.phpt

@@ -21,34 +21,6 @@ var_dump($reader->nodeType);
 --EXPECTF--
 hello world
 object(CustomXMLReader)#%d (1) {
-  ["attributeCount"]=>
-  uninitialized(int)
-  ["baseURI"]=>
-  uninitialized(string)
-  ["depth"]=>
-  uninitialized(int)
-  ["hasAttributes"]=>
-  uninitialized(bool)
-  ["hasValue"]=>
-  uninitialized(bool)
-  ["isDefault"]=>
-  uninitialized(bool)
-  ["isEmptyElement"]=>
-  uninitialized(bool)
-  ["localName"]=>
-  uninitialized(string)
-  ["name"]=>
-  uninitialized(string)
-  ["namespaceURI"]=>
-  uninitialized(string)
-  ["nodeType"]=>
-  uninitialized(int)
-  ["prefix"]=>
-  uninitialized(string)
-  ["value"]=>
-  uninitialized(string)
-  ["xmlLang"]=>
-  uninitialized(string)
   ["myField"]=>
   int(1234)
 }