Файл: library/Zend/Feed/Reader/Collection/Category.php
Строк: 76
<?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);
}
}