Only reverse order of serializers for promoted properties.

README.md

@@ -612,10 +612,10 @@ It's important to know that serialization and hydration hooks are triggered befo
 happens. If you wish to operate on serialized or hydrated data, you can hydrate/serialize the inner
 data/objects.
 
-### Caster and serializer order
+### ⚠️ Caster and serializer order
 
 In order to make hydration and serialization symmetrical (allowing back and forth conversion), the order
-of serializers called is reversed. 
+of serializers called is reversed for _promoted_ properties.
 
 ## Maximizing performance
 

src/DefinitionProvider.php

@@ -12,6 +12,7 @@
 use ReflectionProperty;
 use ReflectionUnionType;
 use function array_key_exists;
+use function array_reverse;
 use function count;
 use function is_a;
 
@@ -161,10 +162,15 @@ public function provideSerializationDefinition(string $className): ClassSerializ
             $key = $this->keyFormatter->propertyNameToKey($property->getName());
             $propertyType = $property->getType();
             $attributes = $property->getAttributes();
+            $serializers = $this->resolveSerializers($propertyType, $attributes);
+
+            if ($property->isPromoted()) {
+                $serializers = array_reverse($serializers);
+            }
+
             $properties[] = new PropertySerializationDefinition(
                 PropertySerializationDefinition::TYPE_PROPERTY,
-                $property->getName(),
-                $this->resolveSerializers($propertyType, $attributes),
+                $property->getName(), $serializers,
                 PropertyType::fromReflectionType($propertyType),
                 $propertyType->allowsNull(),
                 $this->resolveKeys($key, $attributes),

src/PropertySerializationDefinition.php

@@ -20,7 +20,7 @@ public function __construct(
         public bool $nullable,
         public array $keys = [],
     ) {
-        $this->serializers = array_reverse(array_filter($this->serializers));
+        $this->serializers = array_filter($this->serializers);
     }
 
     public function formattedAccessor(): string