Create method getMessages() on nested exception

docs/README.md

@@ -121,7 +121,7 @@ The printed message is exactly this, as a text tree:
   \-"really messed up screen#name" must have a length between 1 and 15
 ```
 
-## Getting Messages
+## Requesting Messages
 
 The text tree is fine, but unusable on a HTML form or something more custom. You can use
 `findMessages()` for that:
@@ -138,6 +138,35 @@ try {
 
 `findMessages()` returns an array with messages from the requested validators.
 
+## Getting Messages
+
+Sometimes you just need all the messages, for that you can use `getMessages()`.
+It will return all messages from the rules that did not pass the validation.
+
+```php
+try {
+    Validator::key('username', Validator::length(2, 32))
+             ->key('birthdate', Validator::date())
+             ->key('password', Validator::notEmpty())
+             ->key('email', Validator::email())
+             ->assert($input);
+} catch (NestedValidationExceptionInterface $e) {
+    print_r($e->getMessages());
+}
+```
+
+The code above may display something like:
+
+```
+Array
+(
+    [0] => username must have a length between 2 and 32
+    [1] => birthdate must be a valid date
+    [2] => password must not be empty
+    [3] => Key email must be present
+)
+```
+
 ## Custom Messages
 
 Getting messages as an array is fine, but sometimes you need to customize them in order

library/Exceptions/AbstractNestedException.php

@@ -73,6 +73,21 @@ class AbstractNestedException extends ValidationException implements NestedValid
         }
     }
 
+    public function getMessages()
+    {
+        $messages = array();
+        foreach ($this->getIterator() as $key => $exception) {
+            if ($exception instanceof AbstractNestedException
+                && count($exception->getRelated()) > 0) {
+                continue;
+            }
+
+            $messages[] = $exception->getMessage();
+        }
+
+        return $messages;
+    }
+
     public function getFullMessage()
     {
         $message = array();

library/Exceptions/NestedValidationExceptionInterface.php

@@ -14,5 +14,6 @@ namespace Respect\Validation\Exceptions;
 interface NestedValidationExceptionInterface extends ValidationExceptionInterface
 {
     public function findMessages(array $paths);
+    public function getMessages();
     public function getFullMessage();
 }

tests/integration/get_messages_should_include_all_validation_messages_in_a_chain.phpt

@@ -0,0 +1,37 @@
+--TEST--
+getMessages() should include all validation messages in a chain
+--FILE--
+<?php
+
+date_default_timezone_set('UTC');
+
+require 'vendor/autoload.php';
+
+use Respect\Validation\Exceptions\NestedValidationExceptionInterface;
+use Respect\Validation\Validator;
+
+try {
+
+    $input = array(
+        'username' => 'u',
+        'birthdate' => 'Not a date',
+        'password' => '',
+    );
+
+    Validator::key('username', Validator::length(2, 32))
+             ->key('birthdate', Validator::date())
+             ->key('password', Validator::notEmpty())
+             ->key('email', Validator::email())
+             ->assert($input);
+} catch (NestedValidationExceptionInterface $e) {
+    print_r($e->getMessages());
+}
+?>
+--EXPECTF--
+Array
+(
+    [0] => username must have a length between 2 and 32
+    [1] => birthdate must be a valid date
+    [2] => password must not be empty
+    [3] => Key email must be present
+)