fix: add isInitialized check before getValue in PersistProcessor

Co-authored-by: soyuka <[email protected]>

Author: Copilot

src/Doctrine/Common/State/PersistProcessor.php

@@ -168,6 +168,11 @@ private function handleLazyObjectRelations(object $data, DoctrineObjectManager $
                 continue;
             }
 
+            // Skip uninitialized typed properties (e.g., those initialized in @PrePersist)
+            if (!$reflectionProperty->isInitialized($data)) {
+                continue;
+            }
+
             $value = $reflectionProperty->getValue($data);
 
             if (!\is_object($value)) {

tests/Fixtures/TestBundle/ApiResource/Issue7735/Issue7735Resource.php

@@ -0,0 +1,36 @@
+<?php
+
+/*
+ * This file is part of the API Platform project.
+ *
+ * (c) Kévin Dunglas <[email protected]>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+declare(strict_types=1);
+
+namespace ApiPlatform\Tests\Fixtures\TestBundle\ApiResource\Issue7735;
+
+use ApiPlatform\Doctrine\Orm\State\Options;
+use ApiPlatform\Metadata\ApiResource;
+use ApiPlatform\Metadata\Post;
+use ApiPlatform\Tests\Fixtures\TestBundle\Entity\Issue7735\Issue7735Entity;
+use Symfony\Component\ObjectMapper\Attribute\Map;
+
+#[ApiResource(
+    stateOptions: new Options(entityClass: Issue7735Entity::class),
+    operations: [
+        new Post(
+            uriTemplate: '/issue7735_resources',
+        ),
+    ]
+)]
+#[Map(target: Issue7735Entity::class)]
+class Issue7735Resource
+{
+    public ?string $id = null;
+    public string $name;
+    public ?string $generatedValue = null;
+}

tests/Fixtures/TestBundle/Entity/Issue7735/Issue7735Entity.php

@@ -0,0 +1,74 @@
+<?php
+
+/*
+ * This file is part of the API Platform project.
+ *
+ * (c) Kévin Dunglas <[email protected]>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+declare(strict_types=1);
+
+namespace ApiPlatform\Tests\Fixtures\TestBundle\Entity\Issue7735;
+
+use ApiPlatform\Tests\Fixtures\TestBundle\ApiResource\Issue7735\Issue7735Resource;
+use Doctrine\ORM\Mapping as ORM;
+use Symfony\Component\ObjectMapper\Attribute\Map;
+
+#[ORM\Entity]
+#[ORM\HasLifecycleCallbacks]
+#[Map(target: Issue7735Resource::class)]
+class Issue7735Entity
+{
+    #[ORM\Id, ORM\Column, ORM\GeneratedValue]
+    #[Map(transform: 'strval')]
+    private ?int $id = null;
+
+    #[ORM\Column]
+    private string $name;
+
+    /**
+     * This typed property is intentionally not initialized.
+     * It will be set in the PrePersist callback.
+     */
+    #[ORM\Column]
+    private string $generatedValue;
+
+    #[ORM\PrePersist]
+    public function prePersist(): void
+    {
+        // Initialize the typed property in PrePersist
+        $this->generatedValue = 'generated_' . uniqid();
+    }
+
+    public function getId(): ?int
+    {
+        return $this->id;
+    }
+
+    public function getName(): string
+    {
+        return $this->name;
+    }
+
+    public function setName(string $name): self
+    {
+        $this->name = $name;
+
+        return $this;
+    }
+
+    public function getGeneratedValue(): string
+    {
+        return $this->generatedValue;
+    }
+
+    public function setGeneratedValue(string $generatedValue): self
+    {
+        $this->generatedValue = $generatedValue;
+
+        return $this;
+    }
+}

tests/Functional/Issue7735Test.php

@@ -0,0 +1,55 @@
+<?php
+
+/*
+ * This file is part of the API Platform project.
+ *
+ * (c) Kévin Dunglas <[email protected]>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+declare(strict_types=1);
+
+namespace ApiPlatform\Tests\Functional;
+
+use ApiPlatform\Symfony\Bundle\Test\ApiTestCase;
+use ApiPlatform\Tests\Fixtures\TestBundle\ApiResource\Issue7735\Issue7735Resource;
+use ApiPlatform\Tests\SetupClassResourcesTrait;
+
+final class Issue7735Test extends ApiTestCase
+{
+    use SetupClassResourcesTrait;
+
+    protected static ?bool $alwaysBootKernel = false;
+
+    /**
+     * @return class-string[]
+     */
+    public static function getResources(): array
+    {
+        return [Issue7735Resource::class];
+    }
+
+    public function testPostWithUninitializedTypedPropertyInPrePersist(): void
+    {
+        $response = self::createClient()->request('POST', '/issue7735_resources', [
+            'json' => [
+                'name' => 'Test Resource',
+            ],
+            'headers' => [
+                'Content-Type' => 'application/ld+json',
+            ],
+        ]);
+
+        $this->assertResponseStatusCodeSame(201);
+        $this->assertResponseHeaderSame('content-type', 'application/ld+json; charset=utf-8');
+
+        $responseData = $response->toArray();
+        $this->assertArrayHasKey('name', $responseData);
+        $this->assertSame('Test Resource', $responseData['name']);
+        $this->assertArrayHasKey('generatedValue', $responseData);
+        $this->assertNotNull($responseData['generatedValue']);
+        $this->assertStringStartsWith('generated_', $responseData['generatedValue']);
+    }
+}