First fake subscriber model to show namespacing and autoloading.

lib/mailpoet.php

@@ -165,6 +165,7 @@ class Initializer {
 
   public function admin_page() {
     // set data
+    $subscriber = new \MailPoet\Models\Subscriber();
     $this->data = array(
       'title' => __('Twig Sample page'),
       'text' => 'Lorem ipsum dolor sit amet',
@@ -172,7 +173,8 @@ class Initializer {
       'users' => array(
         array('name' => 'Joo', 'email' => 'jonathan@mailpoet.com'),
         array('name' => 'Marco', 'email' => 'marco@mailpoet.com'),
-      )
+        ),
+      'subscriber' => $subscriber->name
     );
     // Sample page using Twig
     echo $this->renderer->render('index.html', $this->data);

lib/models/subscriber.php

@@ -0,0 +1,11 @@
+<?php namespace MailPoet\Models;
+if (!defined('ABSPATH')) exit;
+
+class Subscriber {
+
+  public $name;
+
+  public function __construct () {
+    $this->name = 'First Subscriber';
+  }
+}

views/index.html

@@ -25,6 +25,9 @@
   {% endfor %}
   </ul>
 
+  <h3>Autoloaded Subscriber</h3>
+  <p>{{ subscriber }}</p>
+
   <!-- Notice -->
   <h3>Notices</h3>
   <p><a href="javascript:;" onclick="MailPoet.Notice.success('Test');">Trigger success</a></p>