symfony
diff --git a/‎src/Symfony/Component/Serializer/CHANGELOG.md
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+1Lines changed: 1 addition & 0 deletions b/‎src/Symfony/Component/Serializer/CHANGELOG.md
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diff --git a/‎src/Symfony/Component/Serializer/Exception/ExtraAttributesException.php
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+14Lines changed: 14 additions & 0 deletions b/‎src/Symfony/Component/Serializer/Exception/ExtraAttributesException.php
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@@ -7,6 +7,7 @@ CHANGELOG
  * added `AbstractObjectNormalizer::DISABLE_TYPE_ENFORCEMENT` context option
    to disable throwing an `UnexpectedValueException` on a type mismatch
  * added support for serializing `DateInterval` objects
+ * added getter for extra attributes in `ExtraAttributesException`
 
 3.3.0
 -----
 
@@ -18,10 +18,24 @@
  */
 class ExtraAttributesException extends RuntimeException
 {
+    private $extraAttributes;
+
     public function __construct(array $extraAttributes, \Exception $previous = null)
     {
         $msg = sprintf('Extra attributes are not allowed ("%s" are unknown).', implode('", "', $extraAttributes));
 
+        $this->extraAttributes = $extraAttributes;
+
         parent::__construct($msg, 0, $previous);
     }
+
+    /**
+     * Get the extra attributes that are not allowed.
+     *
+     * @return array
+     */
+    public function getExtraAttributes()
+    {
+        return $this->extraAttributes;
+    }
 }