Merge pull request #951 from asm89/patch-3

weaverryan · weaverryan · commit a328def0f972 · 2012-01-09T16:07:40.000-08:00
Added XML configuration example to reference/constraints/Callback
diff --git a/reference/constraints/Callback.rst b/reference/constraints/Callback.rst
@@ -40,6 +40,17 @@ Setup
                 - Callback:
                     methods:   [isAuthorValid]
 
+    .. code-block:: xml
+
+        <!-- src/Acme/BlogBundle/Resources/config/validation.xml -->
+        <class name="Acme\BlogBundle\Entity\Author">
+            <constraint name="Callback">
+                <option name="methods">
+                    <value>isAuthorValid</value>
+                </option>
+            </constraint>
+        </class>
+
     .. code-block:: php-annotations
 
         // src/Acme/BlogBundle/Entity/Author.php
