Add param out for propertyAccessor

composer.json

@@ -15,7 +15,7 @@
   "require": {
     "php": "^7.2 || ^8.0",
     "ext-simplexml": "*",
-    "phpstan/phpstan": "^1.10.36"
+    "phpstan/phpstan": "^1.10.62"
   },
   "conflict": {
     "symfony/framework-bundle": "<3.0"

extension.neon

@@ -66,6 +66,12 @@ parameters:
 		- stubs/Symfony/Component/OptionsResolver/Exception/InvalidOptionsException.stub
 		- stubs/Symfony/Component/OptionsResolver/Options.stub
 		- stubs/Symfony/Component/Process/Process.stub
+		- stubs/Symfony/Component/PropertyAccess/Exception/AccessException.stub
+		- stubs/Symfony/Component/PropertyAccess/Exception/ExceptionInterface.stub
+		- stubs/Symfony/Component/PropertyAccess/Exception/InvalidArgumentException.stub
+		- stubs/Symfony/Component/PropertyAccess/Exception/RuntimeException.stub
+		- stubs/Symfony/Component/PropertyAccess/Exception/UnexpectedTypeException.stub
+		- stubs/Symfony/Component/PropertyAccess/PropertyAccessorInterface.stub
 		- stubs/Symfony/Component/PropertyAccess/PropertyPathInterface.stub
 		- stubs/Symfony/Component/Security/Acl/Model/AclInterface.stub
 		- stubs/Symfony/Component/Security/Acl/Model/EntryInterface.stub

stubs/Symfony/Component/PropertyAccess/Exception/AccessException.stub

@@ -0,0 +1,7 @@
+<?php
+
+namespace Symfony\Component\PropertyAccess\Exception;
+
+class AccessException extends RuntimeException
+{
+}

stubs/Symfony/Component/PropertyAccess/Exception/ExceptionInterface.stub

@@ -0,0 +1,7 @@
+<?php
+
+namespace Symfony\Component\PropertyAccess\Exception;
+
+interface ExceptionInterface extends \Throwable
+{
+}

stubs/Symfony/Component/PropertyAccess/Exception/InvalidArgumentException.stub

@@ -0,0 +1,7 @@
+<?php
+
+namespace Symfony\Component\PropertyAccess\Exception;
+
+class InvalidArgumentException extends \InvalidArgumentException implements ExceptionInterface
+{
+}

stubs/Symfony/Component/PropertyAccess/Exception/RuntimeException.stub

@@ -0,0 +1,7 @@
+<?php
+
+namespace Symfony\Component\PropertyAccess\Exception;
+
+class RuntimeException extends \RuntimeException implements ExceptionInterface
+{
+}

stubs/Symfony/Component/PropertyAccess/Exception/UnexpectedTypeException.stub

@@ -0,0 +1,7 @@
+<?php
+
+namespace Symfony\Component\PropertyAccess\Exception;
+
+class UnexpectedTypeException extends RuntimeException
+{
+}

stubs/Symfony/Component/PropertyAccess/PropertyAccessorInterface.stub

@@ -0,0 +1,23 @@
+<?php
+
+namespace Symfony\Component\PropertyAccess;
+
+interface PropertyAccessorInterface
+{
+
+    /**
+     * @phpstan-template T of object|array<mixed>
+     * @phpstan-param T &$objectOrArray
+     * @phpstan-param-out ($objectOrArray is object ? T : array<mixed>) $objectOrArray
+     * @phpstan-param string|PropertyPathInterface $propertyPath
+     * @phpstan-param mixed $value
+     *
+     * @return void
+     *
+     * @throws Exception\InvalidArgumentException If the property path is invalid
+     * @throws Exception\AccessException          If a property/index does not exist or is not public
+     * @throws Exception\UnexpectedTypeException  If a value within the path is neither object nor array
+     */
+    public function setValue(&$objectOrArray, $propertyPath, $value);
+
+}

tests/Type/Symfony/ExtensionTest.php

@@ -28,6 +28,7 @@ public function dataFileAsserts(): iterable
 		yield from $this->gatherAssertTypes(__DIR__ . '/data/ExampleOptionCommand.php');
 		yield from $this->gatherAssertTypes(__DIR__ . '/data/ExampleOptionLazyCommand.php');
 		yield from $this->gatherAssertTypes(__DIR__ . '/data/kernel_interface.php');
+		yield from $this->gatherAssertTypes(__DIR__ . '/data/property_accessor.php');
 		yield from $this->gatherAssertTypes(__DIR__ . '/data/request_get_content.php');
 
 		$ref = new ReflectionMethod(Request::class, 'getSession');

tests/Type/Symfony/data/property_accessor.php

@@ -0,0 +1,13 @@
+<?php declare(strict_types = 1);
+
+use function PHPStan\Testing\assertType;
+
+$propertyAccessor = new \Symfony\Component\PropertyAccess\PropertyAccessor();
+
+$array = [1 => 'ea'];
+$propertyAccessor->setValue($array, 'foo', 'bar');
+assertType('array', $array);
+
+$object = new \stdClass();
+$propertyAccessor->setValue($object, 'foo', 'bar');
+assertType('stdClass', $object);