Fix phpdoc for DOMDocument load methods

Closes GH-13763.

Author: VincentLanglet

NEWS

@@ -9,6 +9,7 @@ PHP                                                                        NEWS
 - DOM:
   . Add some missing ZPP checks. (nielsdos)
   . Fix potential memory leak in XPath evaluation results. (nielsdos)
+  . Fix phpdoc for DOMDocument load methods. (VincentLanglet)
 
 - GD:
   . Fixed bug GH-12019 (add GDLIB_CFLAGS in feature tests). (Michael Orlitzky)

ext/dom/php_dom.stub.php

@@ -743,11 +743,11 @@ public function getElementsByTagNameNS(?string $namespace, string $localName): D
     /** @return DOMNode|false */
     public function importNode(DOMNode $node, bool $deep = false) {}
 
-    /** @return DOMDocument|bool */
-    public function load(string $filename, int $options = 0) {} // TODO return type shouldn't depend on the call scope
+    /** @return bool */
+    public function load(string $filename, int $options = 0) {}
 
-    /** @return DOMDocument|bool */
-    public function loadXML(string $source, int $options = 0) {} // TODO return type shouldn't depend on the call scope
+    /** @return bool */
+    public function loadXML(string $source, int $options = 0) {}
 
     /** @tentative-return-type */
     public function normalizeDocument(): void {}
@@ -759,11 +759,11 @@ public function registerNodeClass(string $baseClass, ?string $extendedClass): bo
     public function save(string $filename, int $options = 0): int|false {}
 
 #ifdef LIBXML_HTML_ENABLED
-    /** @return DOMDocument|bool */
-    public function loadHTML(string $source, int $options = 0) {} // TODO return type shouldn't depend on the call scope
+    /** @return bool */
+    public function loadHTML(string $source, int $options = 0) {}
 
-    /** @return DOMDocument|bool */
-    public function loadHTMLFile(string $filename, int $options = 0) {} // TODO return type shouldn't depend on the call scope
+    /** @return bool */
+    public function loadHTMLFile(string $filename, int $options = 0) {}
 
     /** @tentative-return-type */
     public function saveHTML(?DOMNode $node = null): string|false {}