diff -r 5b37998e522e -r 162c1de6545a web/lib/Zend/Feed/Reader/Collection/Category.php
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/web/lib/Zend/Feed/Reader/Collection/Category.php	Fri Mar 11 15:05:35 2011 +0100
@@ -0,0 +1,57 @@
+<?php
+/**
+ * Zend Framework
+ *
+ * LICENSE
+ *
+ * This source file is subject to the new BSD license that is bundled
+ * with this package in the file LICENSE.txt.
+ * It is also available through the world-wide-web at this URL:
+ * http://framework.zend.com/license/new-bsd
+ * If you did not receive a copy of the license and are unable to
+ * obtain it through the world-wide-web, please send an email
+ * to license@zend.com so we can send you a copy immediately.
+ *
+ * @category   Zend
+ * @package    Zend_Feed_Reader
+ * @copyright  Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ * @version    $Id: Category.php 20953 2010-02-06 17:55:34Z padraic $
+ */
+ 
+/**
+ * @see Zend_Feed_Reader_Collection_CollectionAbstract
+ */
+require_once 'Zend/Feed/Reader/Collection/CollectionAbstract.php';
+
+/**
+ * @category   Zend
+ * @package    Zend_Feed_Reader
+ * @copyright  Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ */
+class Zend_Feed_Reader_Collection_Category
+extends Zend_Feed_Reader_Collection_CollectionAbstract
+{
+
+    /**
+     * Return a simple array of the most relevant slice of
+     * the collection values. For example, feed categories contain
+     * the category name, domain/URI, and other data. This method would
+     * merely return the most useful data - i.e. the category names.
+     *
+     * @return array
+     */
+    public function getValues() {
+        $categories = array();
+        foreach ($this->getIterator() as $element) {
+            if (isset($element['label']) && !empty($element['label'])) {
+                $categories[] = $element['label'];
+            } else {
+                $categories[] = $element['term'];
+            }
+        }
+        return array_unique($categories);
+    }
+
+}