Add support for generating custom class constant and property attributes in stubs

Author: kocsismate

build/gen_stub.php

@@ -48,7 +48,12 @@ public function returnsThrowable(): Exception {}
     }
 
     trait _ZendTestTrait {
+        /** @var int */
+        #[ZendTestAttribute]
+        public const TEST_CONST = 1;
+
         /** @var mixed */
+        #[ZendTestAttribute]
         public $testProp;
 
         #[ZendTestAttribute]

ext/dom/php_dom_arginfo.h

@@ -1,5 +1,5 @@
 --TEST--
-gen_stub.php: Test that attributes are applied to methods
+gen_stub.php: Test that attributes are applied to constants, properties, and methods
 --EXTENSIONS--
 zend_test
 --FILE--
@@ -9,10 +9,20 @@ class Foo {
     use _ZendTestTrait;
 }
 
-$reflection = new ReflectionMethod(Foo::class, "testMethod");
+$reflectionConstant = new ReflectionClassConstant(Foo::class, "TEST_CONST");
+var_dump($reflectionConstant->getAttributes()[0]->newInstance());
 
-var_dump($reflection->getAttributes()[0]->getName());
+$reflectionProperty = new ReflectionProperty(Foo::class, "testProp");
+var_dump($reflectionProperty->getAttributes()[0]->newInstance());
+
+$reflectionMethod = new ReflectionMethod(Foo::class, "testMethod");
+var_dump($reflectionMethod->getAttributes()[0]->newInstance());
 
 ?>
 --EXPECTF--
-string(%d) "ZendTestAttribute"
+object(ZendTestAttribute)#%d (0) {
+}
+object(ZendTestAttribute)#%d (0) {
+}
+object(ZendTestAttribute)#%d (0) {
+}