From c8ef7772b8b475b200a7ad5def012a458161728f Mon Sep 17 00:00:00 2001
From: Ilya Orlov <ilyaorlov124@gmail.com>
Date: Wed, 6 Nov 2024 15:31:25 +0500
Subject: [PATCH 1/2] Fix for readonly properties that declared in parent

---
 src/Serializers/Native.php    |  4 ++++
 tests/SerializerPhp81Test.php | 16 ++++++++++++++++
 2 files changed, 20 insertions(+)

diff --git a/src/Serializers/Native.php b/src/Serializers/Native.php
index 59a1bc6c..73254902 100644
--- a/src/Serializers/Native.php
+++ b/src/Serializers/Native.php
@@ -504,6 +504,10 @@ protected function mapByReference(&$data)
                         continue;
                     }
 
+                    if (PHP_VERSION >= 8.1 && $property->isReadOnly() && $property->class !== $reflection->name) {
+                        continue;
+                    }
+
                     $value = $property->getValue($instance);
 
                     if (is_array($value) || is_object($value)) {
diff --git a/tests/SerializerPhp81Test.php b/tests/SerializerPhp81Test.php
index 41c6a6ed..474e10a4 100644
--- a/tests/SerializerPhp81Test.php
+++ b/tests/SerializerPhp81Test.php
@@ -183,6 +183,20 @@ enum SerializerScopedBackedEnum: string {
     );
 })->with('serializers');
 
+test('readonly properties declared in parent', function () {
+    $controller = new SerializerPhp81ControllerChild();
+
+    $f = static function () use ($controller) {
+        return $controller;
+    };
+
+    $f = s($f);
+
+    expect($f()->service)->toBeInstanceOf(
+        SerializerPhp81Service::class,
+    );
+})->with('serializers');
+
 test('first-class callable with closures', function () {
     $f = function ($value) {
         return $value;
@@ -589,6 +603,8 @@ class SerializerPhp81Service implements SerializerPhp81HasId, SerializerPhp81Has
     final public const X = 'foo';
 }
 
+class SerializerPhp81ControllerChild extends SerializerPhp81Controller {}
+
 class SerializerPhp81Controller
 {
     public function __construct(

From 63c06cd03a8d482139aa761724b1531d8c44ae99 Mon Sep 17 00:00:00 2001
From: Ilya Orlov <ilyaorlov124@gmail.com>
Date: Thu, 14 Nov 2024 14:00:14 +0500
Subject: [PATCH 2/2] More tests for readonly properties that declared in
 parent

---
 tests/SerializerPhp81Test.php | 31 +++++++++++++++++++++++--------
 1 file changed, 23 insertions(+), 8 deletions(-)

diff --git a/tests/SerializerPhp81Test.php b/tests/SerializerPhp81Test.php
index 474e10a4..bd356131 100644
--- a/tests/SerializerPhp81Test.php
+++ b/tests/SerializerPhp81Test.php
@@ -184,17 +184,25 @@ enum SerializerScopedBackedEnum: string {
 })->with('serializers');
 
 test('readonly properties declared in parent', function () {
-    $controller = new SerializerPhp81ControllerChild();
+    $childWithDefaultValue = new SerializerPhp81Child();
 
-    $f = static function () use ($controller) {
-        return $controller;
+    $f = static function () use ($childWithDefaultValue) {
+        return $childWithDefaultValue;
     };
 
     $f = s($f);
 
-    expect($f()->service)->toBeInstanceOf(
-        SerializerPhp81Service::class,
-    );
+    expect($f()->property)->toBe(1);
+
+    $child = new SerializerPhp81Child(100);
+
+    $f = static function () use ($child) {
+        return $child;
+    };
+
+    $f = s($f);
+
+    expect($f()->property)->toBe(100);
 })->with('serializers');
 
 test('first-class callable with closures', function () {
@@ -598,13 +606,20 @@ enum SerializerScopedBackedEnum: string {
 interface SerializerPhp81HasId {}
 interface SerializerPhp81HasName {}
 
+class SerializerPhp81Child extends SerializerPhp81Parent {}
+
+class SerializerPhp81Parent
+{
+    public function __construct(
+        public readonly int $property = 1,
+    ) {}
+}
+
 class SerializerPhp81Service implements SerializerPhp81HasId, SerializerPhp81HasName
 {
     final public const X = 'foo';
 }
 
-class SerializerPhp81ControllerChild extends SerializerPhp81Controller {}
-
 class SerializerPhp81Controller
 {
     public function __construct(