Moved array validation to the Raw values sub-guide

Author: wouterj

components/validator.rst

@@ -45,29 +45,8 @@ characters long::
             echo $violation->getMessage().'<br>';
         }
     }
-    
-Validation of arrays is possible using the ``Collection`` constraint::
 
-    use Symfony\Component\Validator\Validation;
-    use Symfony\Component\Validator\Constraints as Assert;
-
-    $validator = Validation::createValidator();
-
-    $constraint = new Assert\Collection(array(
-        'name' => new Assert\Collection(array(
-          'first_name' => new Assert\Length(array('min' => 101)),
-          'last_name' => new Assert\Length(array('min' => 1)),
-        )),
-        'email' => new Assert\Email(),
-        'simple' => new Assert\Length(array('min' => 102)),
-        'gender' => new Assert\Choice(array(3, 4)),
-        'file' => new Assert\File(),
-        'password' => new Assert\Length(array('min' => 60)),
-    ));
-
-    $violations = $validator->validateValue($input, $constraint);
-
-Again, the validator returns the list of violations.
+The validator returns the list of violations.
 
 Retrieving a Validator Instance
 -------------------------------

validation/raw_values.rst

@@ -46,12 +46,34 @@ looks like this::
         // ...
     }
 
-By calling ``validate`` on the validator, you can pass in a raw value and
+By calling ``validate()`` on the validator, you can pass in a raw value and
 the constraint object that you want to validate that value against. A full
 list of the available constraints - as well as the full class name for each
 constraint - is available in the :doc:`constraints reference </reference/constraints>`
 section.
 
+Validation of arrays is possible using the ``Collection`` constraint::
+
+    use Symfony\Component\Validator\Validation;
+    use Symfony\Component\Validator\Constraints as Assert;
+
+    $validator = Validation::createValidator();
+
+    $constraint = new Assert\Collection(array(
+        // the keys correspond to the keys in the input array
+        'name' => new Assert\Collection(array(
+          'first_name' => new Assert\Length(array('min' => 101)),
+          'last_name' => new Assert\Length(array('min' => 1)),
+        )),
+        'email' => new Assert\Email(),
+        'simple' => new Assert\Length(array('min' => 102)),
+        'gender' => new Assert\Choice(array(3, 4)),
+        'file' => new Assert\File(),
+        'password' => new Assert\Length(array('min' => 60)),
+    ));
+
+    $violations = $validator->validateValue($input, $constraint);
+
 The ``validate()`` method returns a :class:`Symfony\\Component\\Validator\\ConstraintViolationList`
 object, which acts just like an array of errors. Each error in the collection
 is a :class:`Symfony\\Component\\Validator\\ConstraintViolation` object,