fix ReflectionProperty::getType

composer.json

@@ -96,6 +96,7 @@
 			"jetbrains/phpstorm-stubs": [
 				"patches/Memcache.patch",
 				"patches/PDO.patch",
+				"patches/ReflectionProperty.patch",
 				"patches/SessionHandler.patch",
 				"patches/SplHeapExtract.patch"
 			],

patches/ReflectionProperty.patch

@@ -0,0 +1,11 @@
+--- Reflection/ReflectionProperty.php	2023-09-07 12:59:56.000000000 +0200
++++ Reflection/ReflectionProperty.php	2023-09-15 13:24:07.900736741 +0200
+@@ -248,7 +248,7 @@
+      * Gets property type
+      *
+      * @link https://php.net/manual/en/reflectionproperty.gettype.php
+-     * @return ReflectionNamedType|ReflectionUnionType|null Returns a {@see ReflectionType} if the
++     * @return ReflectionType|null Returns a {@see ReflectionType} if the
+      * property has a type, and {@see null} otherwise.
+      * @since 7.4
+      */

tests/PHPStan/Analyser/NodeScopeResolverTest.php

@@ -80,6 +80,7 @@ public function dataFileAsserts(): iterable
 
 		if (PHP_VERSION_ID >= 70400) {
 			yield from $this->gatherAssertTypes(__DIR__ . '/data/native-types.php');
+			yield from $this->gatherAssertTypes(__DIR__ . '/data/reflection-type.php');
 		}
 
 		if (PHP_VERSION_ID >= 80100) {

tests/PHPStan/Analyser/data/reflection-type.php

@@ -0,0 +1,15 @@
+<?php
+
+namespace ReflectionTypeTest;
+
+use function PHPStan\Testing\assertType;
+
+function test(
+	\ReflectionProperty $reflectionProperty,
+	\ReflectionFunctionAbstract $reflectionFunctionAbstract,
+	\ReflectionParameter $reflectionParameter
+){
+	assertType('ReflectionType|null', $reflectionProperty->getType());
+	assertType('ReflectionType|null', $reflectionFunctionAbstract->getReturnType());
+	assertType('ReflectionType|null', $reflectionParameter->getType());
+}