<?php
/**
 * Zend Framework (http://framework.zend.com/)
 *
 * @link      http://github.com/zendframework/zf2 for the canonical source repository
 * @copyright Copyright (c) 2005-2012 Zend Technologies USA Inc. (http://www.zend.com)
 * @license   http://framework.zend.com/license/new-bsd New BSD License
 * @package   Zend_Feed
 */

namespace Zend\Feed\Reader\Collection;

/**
 * @category   Zend
 * @package    Zend_Feed_Reader
 */
abstract class AbstractCollection extends \ArrayObject
{

    /**
     * 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
     */
    abstract public function getValues();

}
