symfony
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‎src/Symfony/Component/Serializer/Normalizer/AbstractObjectNormalizer.php‎
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+12-1Lines changed: 12 additions & 1 deletion b/Collapse file
‎src/Symfony/Component/Serializer/Normalizer/AbstractObjectNormalizer.php‎
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+12-1Lines changed: 12 additions & 1 deletion
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‎src/Symfony/Component/Serializer/Tests/Fixtures/Attributes/MaxDepthRecursiveDummy.php‎
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‎src/Symfony/Component/Serializer/Tests/Fixtures/Attributes/MaxDepthRecursiveDummy.php‎
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‎src/Symfony/Component/Serializer/Tests/Fixtures/Attributes/MaxDepthRecursiveDummyProxy.php‎
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‎src/Symfony/Component/Serializer/Tests/Fixtures/Attributes/MaxDepthRecursiveDummyProxy.php‎
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‎src/Symfony/Component/Serializer/Tests/Normalizer/Features/MaxDepthTestTrait.php‎
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‎src/Symfony/Component/Serializer/Tests/Normalizer/Features/MaxDepthTestTrait.php‎
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+27Lines changed: 27 additions & 0 deletions
@@ -762,7 +762,18 @@ private function isMaxDepthReached(array $attributesMetadata, string $class, str
             return false;
         }
 
-        $key = \sprintf(self::DEPTH_KEY_PATTERN, $class, $attribute);
+        $keyClass = $class;
+        if ($this->classMetadataFactory) {
+            while (false !== $parent = get_parent_class($keyClass)) {
+                $parentAttributes = $this->classMetadataFactory->getMetadataFor($parent)->getAttributesMetadata();
+                if (($parentAttributes[$attribute] ?? null)?->getMaxDepth() !== $maxDepth) {
+                    break;
+                }
+                $keyClass = $parent;
+            }
+        }
+
+        $key = \sprintf(self::DEPTH_KEY_PATTERN, $keyClass, $attribute);
         if (!isset($context[$key])) {
             $context[$key] = 1;
 
 
@@ -0,0 +1,32 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\Serializer\Tests\Fixtures\Attributes;
+
+use Symfony\Component\Serializer\Attribute\MaxDepth;
+
+class MaxDepthRecursiveDummy
+{
+    public $name;
+
+    #[MaxDepth(1)]
+    public $linked;
+
+    public function getName()
+    {
+        return $this->name;
+    }
+
+    public function getLinked()
+    {
+        return $this->linked;
+    }
+}
@@ -0,0 +1,16 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\Serializer\Tests\Fixtures\Attributes;
+
+class MaxDepthRecursiveDummyProxy extends MaxDepthRecursiveDummy
+{
+}
@@ -13,6 +13,8 @@
 
 use Symfony\Component\Serializer\Normalizer\NormalizerInterface;
 use Symfony\Component\Serializer\Tests\Fixtures\Attributes\MaxDepthDummy;
+use Symfony\Component\Serializer\Tests\Fixtures\Attributes\MaxDepthRecursiveDummy;
+use Symfony\Component\Serializer\Tests\Fixtures\Attributes\MaxDepthRecursiveDummyProxy;
 
 /**
  * Covers AbstractObjectNormalizer::ENABLE_MAX_DEPTH and AbstractObjectNormalizer::MAX_DEPTH_HANDLER.
@@ -60,6 +62,31 @@ public function testMaxDepth()
         $this->assertEquals($expected, $result);
     }
 
+    public function testMaxDepthWithSubclassInheritingMetadata()
+    {
+        $normalizer = $this->getNormalizerForMaxDepth();
+
+        $level1 = new MaxDepthRecursiveDummy();
+        $level1->name = 'level1';
+
+        $level2 = new MaxDepthRecursiveDummyProxy();
+        $level2->name = 'level2';
+        $level1->linked = $level2;
+
+        $level3 = new MaxDepthRecursiveDummy();
+        $level3->name = 'level3';
+        $level2->linked = $level3;
+
+        $result = $normalizer->normalize($level1, null, ['enable_max_depth' => true]);
+
+        $this->assertEquals([
+            'name' => 'level1',
+            'linked' => [
+                'name' => 'level2',
+            ],
+        ], $result);
+    }
+
     public function testMaxDepthHandler()
     {
         $level1 = new MaxDepthDummy();