Undoing some of my over-architecting from a couple years back. Also showing more items on the homepage.

Gateway/NewsFileSystemGateway.php

@@ -37,18 +37,18 @@ class NewsFileSystemGateway implements NewsGateway {
 
     /**
      * @param int $max [optional]
-     * @return Traversable
+     * @return array
      */
     public function getLatestArticles($max = 5) {
-        return new ArrayIterator(array_slice($this->articles, 0, $max));
+        return array_slice($this->articles, 0, $max);
     }
 
     /**
-     * @param Traversable $categories
+     * @param array $categories
      * @param int $limit
-     * @return Traversable
+     * @return array
      */
-    public function getArticlesForCategories(Traversable $categories, $limit = 5) {
+    public function getArticlesForCategories(array $categories, $limit = 5) {
         $result = array();
 
         foreach ($this->articles as $item) {
@@ -65,7 +65,7 @@ class NewsFileSystemGateway implements NewsGateway {
 
         }
 
-        return new ArrayIterator(array_slice($result, 0 , $limit));
+        return array_slice($result, 0 , $limit);
 
     }
 

Gateway/NewsGateway.php

@@ -5,16 +5,16 @@ interface NewsGateway {
     /**
      * @abstract
      * @param int $max [optional]
-     * @return Traversable
+     * @return array
      */
     function getLatestArticles($max = 5);
 
     /**
      * @abstract
-     * @param Traversable $categories
+     * @param array $categories
      * @param int $limit [optional]
-     * @return Traversable
+     * @return array
      */
-    function getArticlesForCategories(Traversable $categories, $limit = 5);
+    function getArticlesForCategories(array $categories, $limit = 5);
 
 }

View/HomepageNewsView.php

@@ -3,14 +3,14 @@
 class HomepageNewsView {
 
     /**
-     * @var Traversable
+     * @var array
      */
     protected $articles;
 
     /**
-     * @param Traversable $articles
+     * @param array $articles
      */
-    public function __construct(Traversable $articles) {
+    public function __construct(array $articles) {
         $this->articles = $articles;
     }
 

index-beta.php

@@ -79,9 +79,9 @@ if (is_array($CONF_TEASER) && $CONF_TEASER) {
 require_once './Gateway/NewsFileSystemGateway.php';
 
 $NewsGateway = new NewsFileSystemGateway();
-$RecentNews = $NewsGateway->getArticlesForCategories(new ArrayIterator(array(
+$RecentNews = $NewsGateway->getArticlesForCategories(array(
     "frontpage"
-)), 2);
+), 4);
 
 ob_start();