<?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) 2005-2012 Zend Technologies USA Inc. (http://www.zend.com) * @license http://framework.zend.com/license/new-bsd New BSD License * @version $Id: Category.php 24593 2012-01-05 20:35:02Z matthew $ */ /** * @see Zend_Feed_Reader_Collection_CollectionAbstract */ require_once 'Zend/Feed/Reader/Collection/CollectionAbstract.php'; /** * @category Zend * @package Zend_Feed_Reader * @copyright Copyright (c) 2005-2012 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); } }