Add support for non-parameter attribute rendering in stubs (#16926)

Author: kocsismate

build/gen_stub.php

@@ -2086,6 +2086,13 @@ public function getMethodSynopsisElement(array $funcMap, array $aliasMap, DOMDoc
 
         $methodSynopsis->appendChild(new DOMText("\n   "));
 
+        foreach ($this->attributes as $attribute) {
+            $modifier = $doc->createElement("modifier", "#[\\" . $attribute->class . "]");
+            $modifier->setAttribute("role", "attribute");
+            $methodSynopsis->appendChild($modifier);
+            $methodSynopsis->appendChild(new DOMText("\n   "));
+        }
+
         foreach ($this->getModifierNames() as $modifierString) {
             $modifierElement = $doc->createElement('modifier', $modifierString);
             $methodSynopsis->appendChild($modifierElement);
@@ -3870,6 +3877,13 @@ private static function createOoElement(
             $ooElement->appendChild($doc->createElement('modifier', $modifierOverride));
             $ooElement->appendChild(new DOMText("\n$indentation "));
         } elseif ($withModifiers) {
+            foreach ($classInfo->attributes as $attribute) {
+                $modifier = $doc->createElement("modifier", "#[\\" . $attribute->class . "]");
+                $modifier->setAttribute("role", "attribute");
+                $ooElement->appendChild($modifier);
+                $ooElement->appendChild(new DOMText("\n$indentation "));
+            }
+
             if ($classInfo->flags & Modifiers::FINAL) {
                 $ooElement->appendChild($doc->createElement('modifier', 'final'));
                 $ooElement->appendChild(new DOMText("\n$indentation "));