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<?php /* vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4 foldmethod=marker: */ // {{{ Header /** * File contains MP3_Playlist_RSS class. * * PHP version 5 * * LICENSE: * * The PHP License, version 3.0 * * Copyright (c) 2004-2005 David Costa * * This source file is subject to version 3.0 of the PHP license, * that is bundled with this package in the file LICENSE, and is * available through the world-wide-web at the following url: * http://www.php.net/license/3_0.txt. * If you did not receive a copy of the PHP license and are unable to * obtain it through the world-wide-web, please send a note to * license@php.net so we can mail you a copy immediately. * * @category File Formats * @package MP3_Playlist * @author David Costa <gurugeek@php.net> * @author Ashley Hewson <morbidness@gmail.com> * @author Firman Wandayandi <firman@php.net> * @copyright Copyright (c) 2004-2005 David Costa * @license http://www.php.net/license/3_0.txt * The PHP License, version 3.0 * @version CVS: $Id: RSS.php,v 1.1 2005/10/02 17:38:56 firman Exp $ */ // }}} // {{{ Dependencies /** * Load MP3_Playlist_Common as the base class. */ require_once 'MP3/Playlist/Common.php'; // }}} // {{{ Class: MP3_Playlist_RSS /** * Class MP3_Playlist_RSS, generates the playlist RSS feed. * * @category File Formats * @package MP3_Playlist * @author David Costa <gurugeek@php.net> * @author Ashley Hewson <morbidness@gmail.com> * @author Firman Wandayandi <firman@php.net> * @copyright Copyright (c) 2004-2005 David Costa * @license http://www.php.net/license/3_0.txt * The PHP License, version 3.0 * @version Release: 0.5.1alpha1 */ class MP3_Playlist_RSS extends MP3_Playlist_Common { // {{{ Object Properties /** * Mime type of output. * @var string */ protected $mimeType = 'application/xml'; /** * File extension (without dot). * @var string */ protected $fileExtension = 'rss'; /** * RSS required the merged list. * @var bool */ protected $isRequiredMerged = true; // }}} // {{{ make() /** * Generate a valid RSS feed from a playlist * * User should define as parameters the title of the feed description * and link for each song the rss produced will include the title and * link and keep within the description the other information available * namely the album, artist, and genre. * * @param array $params Make parameters. * <pre> * title string Feed main title * description string Feed description * link string Link main description * </pre> * * @return bool TRUE */ public function make($params = array()) { if (!isset($params['title'])) { throw new PEAR_Exception(MP3_Playlist::E_REQUIRED_PARAM . ' "title" as feed title', -1); } if (!isset($params['description'])) { throw new PEAR_Exception(MP3_Playlist::E_REQUIRED_PARAM . ' "description" as feed description', -1); } if (!isset($params['link'])) { throw new PEAR_Exception(MP3_Playlist::E_REQUIRED_PARAM . ' "link" as link main description', -1); } $title = $params['title']; $description = isset($params['description']) ? $params['description'] : ''; $link = isset($params['link']) ? $params['link'] : ''; $rssbody = ''; foreach ($this->merged as $prepared) { // formatting for RSS so we avoid errors with & and other signs $prepared['title'] = htmlspecialchars($prepared['title']); $prepared['URL'] = htmlspecialchars($prepared['URL']); $prepared['artist'] = htmlspecialchars($prepared['artist']); $prepared['album'] = htmlspecialchars($prepared['album']); $prepared['genre'] = htmlspecialchars($prepared['genre']); // basic RSS entry for each of the songs $rssbody .= <<<XMLBODY <item> <title>$prepared[title]</title> <link>$prepared[URL]</link> <description>$prepared[artist] - $prepared[album] - $prepared[genre]</description> </item> XMLBODY; } // standard RSS header with the parameters specified by the user $this->result = <<<XMLHEADER <?xml version="1.0" encoding="iso-8859-1"?> <rss version="0.91"> <channel> <title> $title </title> <description> $description </description> <link>$link</link> $rssbody </channel> </rss> XMLHEADER; return true; } // }}} } // }}}
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