58 lines
1.9 KiB
PHP
58 lines
1.9 KiB
PHP
<?php
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/**
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* Zend Framework
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*
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* LICENSE
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*
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* This source file is subject to the new BSD license that is bundled
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* with this package in the file LICENSE.txt.
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* It is also available through the world-wide-web at this URL:
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* http://framework.zend.com/license/new-bsd
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* If you did not receive a copy of the license and are unable to
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* obtain it through the world-wide-web, please send an email
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* to license@zend.com so we can send you a copy immediately.
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*
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* @category Zend
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* @package Zend_Feed_Reader
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* @copyright Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
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* @license http://framework.zend.com/license/new-bsd New BSD License
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* @version $Id: Category.php 20954 2010-02-06 17:56:27Z padraic $
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*/
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/**
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* @see Zend_Feed_Reader_Collection_CollectionAbstract
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*/
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require_once 'Zend/Feed/Reader/Collection/CollectionAbstract.php';
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/**
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* @category Zend
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* @package Zend_Feed_Reader
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* @copyright Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
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* @license http://framework.zend.com/license/new-bsd New BSD License
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*/
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class Zend_Feed_Reader_Collection_Category
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extends Zend_Feed_Reader_Collection_CollectionAbstract
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{
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/**
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* Return a simple array of the most relevant slice of
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* the collection values. For example, feed categories contain
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* the category name, domain/URI, and other data. This method would
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* merely return the most useful data - i.e. the category names.
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*
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* @return array
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*/
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public function getValues() {
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$categories = array();
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foreach ($this->getIterator() as $element) {
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if (isset($element['label']) && !empty($element['label'])) {
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$categories[] = $element['label'];
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} else {
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$categories[] = $element['term'];
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}
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}
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return array_unique($categories);
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}
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}
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