symfony
diff --git a/‎src/Symfony/Component/Validator/Mapping/PropertyMetadata.php
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+7-1Lines changed: 7 additions & 1 deletion b/‎src/Symfony/Component/Validator/Mapping/PropertyMetadata.php
Copy file name to clipboardExpand all lines: src/Symfony/Component/Validator/Mapping/PropertyMetadata.php
+7-1Lines changed: 7 additions & 1 deletion
diff --git a/‎src/Symfony/Component/Validator/Tests/Fixtures/Entity_74.php
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+8Lines changed: 8 additions & 0 deletions b/‎src/Symfony/Component/Validator/Tests/Fixtures/Entity_74.php
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+8Lines changed: 8 additions & 0 deletions
diff --git a/‎src/Symfony/Component/Validator/Tests/Mapping/PropertyMetadataTest.php
Copy file name to clipboardExpand all lines: src/Symfony/Component/Validator/Tests/Mapping/PropertyMetadataTest.php
+13Lines changed: 13 additions & 0 deletions b/‎src/Symfony/Component/Validator/Tests/Mapping/PropertyMetadataTest.php
Copy file name to clipboardExpand all lines: src/Symfony/Component/Validator/Tests/Mapping/PropertyMetadataTest.php
+13Lines changed: 13 additions & 0 deletions
@@ -48,7 +48,13 @@ public function __construct($class, $name)
      */
     public function getPropertyValue($object)
     {
-        return $this->getReflectionMember($object)->getValue($object);
+        $reflProperty = $this->getReflectionMember($object);
+
+        if (\PHP_VERSION_ID >= 70400 && !$reflProperty->isInitialized($object)) {
+            return null;
+        }
+
+        return $reflProperty->getValue($object);
     }
 
     /**
 
@@ -0,0 +1,8 @@
+<?php
+
+namespace Symfony\Component\Validator\Tests\Fixtures;
+
+class Entity_74
+{
+    public int $uninitialized;
+}
@@ -14,10 +14,12 @@
 use PHPUnit\Framework\TestCase;
 use Symfony\Component\Validator\Mapping\PropertyMetadata;
 use Symfony\Component\Validator\Tests\Fixtures\Entity;
+use Symfony\Component\Validator\Tests\Fixtures\Entity_74;
 
 class PropertyMetadataTest extends TestCase
 {
     const CLASSNAME = 'Symfony\Component\Validator\Tests\Fixtures\Entity';
+    const CLASSNAME_74 = 'Symfony\Component\Validator\Tests\Fixtures\Entity_74';
     const PARENTCLASS = 'Symfony\Component\Validator\Tests\Fixtures\EntityParent';
 
     public function testInvalidPropertyName()
@@ -53,4 +55,15 @@ public function testGetPropertyValueFromRemovedProperty()
         $this->expectException('Symfony\Component\Validator\Exception\ValidatorException');
         $metadata->getPropertyValue($entity);
     }
+
+    /**
+     * @requires PHP 7.4
+     */
+    public function testGetPropertyValueFromUninitializedProperty()
+    {
+        $entity = new Entity_74();
+        $metadata = new PropertyMetadata(self::CLASSNAME_74, 'uninitialized');
+
+        $this->assertNull($metadata->getPropertyValue($entity));
+    }
 }