cover nested mixed[] and object type (#7283)

Author: TomasVotruba

rules-tests/TypeDeclarationDocblocks/Rector/ClassMethod/DocblockReturnArrayFromDirectArrayInstanceRector/Fixture/complex_array.php.inc

@@ -31,7 +31,7 @@ namespace Rector\Tests\TypeDeclarationDocblocks\Rector\ClassMethod\DocblockRetur
 class ComplexArray
 {
    /**
-    * @return array<string, mixed>
+    * @return array<string, object|mixed[]>
     */
    public function run(): array
     {

rules/TypeDeclarationDocblocks/TypeResolver/ConstantArrayTypeGeneralizer.php

@@ -6,13 +6,15 @@
 
 use PHPStan\PhpDocParser\Ast\Type\GenericTypeNode;
 use PHPStan\PhpDocParser\Ast\Type\IdentifierTypeNode;
+use PHPStan\Type\ArrayType;
 use PHPStan\Type\BooleanType;
 use PHPStan\Type\Constant\ConstantArrayType;
 use PHPStan\Type\FloatType;
 use PHPStan\Type\IntegerType;
 use PHPStan\Type\IntersectionType;
 use PHPStan\Type\MixedType;
 use PHPStan\Type\NeverType;
+use PHPStan\Type\ObjectWithoutClassType;
 use PHPStan\Type\StringType;
 use PHPStan\Type\Type;
 use PHPStan\Type\UnionType;
@@ -98,6 +100,10 @@ private function constantToGenericType(Type $type): Type
             return new FloatType();
         }
 
+        if ($type->isObject()->yes()) {
+            return new ObjectWithoutClassType();
+        }
+
         if ($type instanceof UnionType || $type instanceof IntersectionType) {
             $genericComplexTypes = [];
             foreach ($type->getTypes() as $splitType) {
@@ -112,6 +118,10 @@ private function constantToGenericType(Type $type): Type
             return $genericComplexTypes[0];
         }
 
+        if ($type instanceof ConstantArrayType) {
+            return new ArrayType(new MixedType(), new MixedType());
+        }
+
         // unclear
         return new MixedType();
     }