1<?php 2/** 3 * Zend Framework (http://framework.zend.com/) 4 * 5 * @link http://github.com/zendframework/zf2 for the canonical source repository 6 * @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com) 7 * @license http://framework.zend.com/license/new-bsd New BSD License 8 */ 9 10namespace Zend\Feed\Reader\Collection; 11 12class Author extends AbstractCollection 13{ 14 /** 15 * Return a simple array of the most relevant slice of 16 * the author values, i.e. all author names. 17 * 18 * @return array 19 */ 20 public function getValues() 21 { 22 $authors = array(); 23 foreach ($this->getIterator() as $element) { 24 $authors[] = $element['name']; 25 } 26 return array_unique($authors); 27 } 28} 29