[TypeDeclaration] Add NativeMethodReflection support on ReturnStrictT…

…ypeAnalyzer (#6344)

* [TypeDeclaration] Add NativeMethodReflection support on ReturnStrictTypeAnalyzer

* [TypeDeclaration] Add NativeMethodReflection support on ReturnStrictTypeAnalyzer

rules-tests/TypeDeclaration/Rector/ClassMethod/ReturnTypeFromStrictTypedCallRector/FixturePhp80/datetime_format_return.php.inc

@@ -0,0 +1,31 @@
+<?php
+
+namespace Rector\Tests\TypeDeclaration\Rector\ClassMethod\ReturnTypeFromStrictTypedCallRector\Fixture;
+
+use DateTime;
+
+final class DateTimeFormatReturn
+{
+    function aa(DateTime $dateTime)
+    {
+        return $dateTime->format('Y-m-d');
+    }
+}
+
+?>
+-----
+<?php
+
+namespace Rector\Tests\TypeDeclaration\Rector\ClassMethod\ReturnTypeFromStrictTypedCallRector\Fixture;
+
+use DateTime;
+
+final class DateTimeFormatReturn
+{
+    function aa(DateTime $dateTime): string
+    {
+        return $dateTime->format('Y-m-d');
+    }
+}
+
+?>

rules/TypeDeclaration/TypeAnalyzer/ReturnStrictTypeAnalyzer.php

@@ -22,6 +22,7 @@
 use PHPStan\Analyser\Scope;
 use PHPStan\Reflection\ClassReflection;
 use PHPStan\Reflection\Native\NativeFunctionReflection;
+use PHPStan\Reflection\Native\NativeMethodReflection;
 use PHPStan\Reflection\ParametersAcceptorWithPhpDocs;
 use PHPStan\Type\MixedType;
 use PHPStan\Type\StaticType;
@@ -122,7 +123,7 @@ public function resolveMethodCallReturnType(MethodCall | StaticCall | FuncCall $
             $scope
         );
 
-        if ($methodReflection instanceof NativeFunctionReflection) {
+        if ($methodReflection instanceof NativeFunctionReflection || $methodReflection instanceof NativeMethodReflection) {
             $returnType = $parametersAcceptorWithPhpDocs->getReturnType();
         } elseif ($parametersAcceptorWithPhpDocs instanceof ParametersAcceptorWithPhpDocs) {
             // native return type is needed, as docblock can be false