Review

dunglas · dunglas · commit 9ad7f5b32651 · 2018-02-11T19:00:44.000+01:00
diff --git a/src/Symfony/Component/Serializer/Normalizer/AbstractObjectNormalizer.php b/src/Symfony/Component/Serializer/Normalizer/AbstractObjectNormalizer.php
@@ -37,15 +37,15 @@ abstract class AbstractObjectNormalizer extends AbstractNormalizer
     const ALLOW_EXTRA_ATTRIBUTES = 'allow_extra_attributes';
     const DISABLE_TYPE_ENFORCEMENT = 'disable_type_enforcement';
 
-    /**
-     * @var callable
-     */
-    protected $maxDepthHandler;
-
     private $propertyTypeExtractor;
     private $attributesCache = array();
     private $cache = array();
 
+    /**
+     * @var callable
+     */
+    private $maxDepthHandler;
+
     /**
      * @var ClassDiscriminatorResolverInterface|null
      */
@@ -98,7 +98,7 @@ public function normalize($object, $format = null, array $context = array())
 
             $attributeValue = $this->getAttributeValue($object, $attribute, $format, $context);
             if ($maxDepthReached) {
-                $attributeValue = call_user_func($this->maxDepthHandler, $attributeValue);
+                $attributeValue = \call_user_func($this->maxDepthHandler, $attributeValue);
             }
 
             if (isset($this->callbacks[$attribute])) {
