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   1  <?php
   2  /**
   3  * @version        $Id: helper.php 14401 2010-01-26 14:10:00Z louis $
   4  * @package        Joomla
   5  * @copyright    Copyright (C) 2005 - 2010 Open Source Matters. All rights reserved.
   6  * @license        GNU/GPL, see LICENSE.php
   7  * Joomla! is free software. This version may have been modified pursuant
   8  * to the GNU General Public License, and as distributed it includes or
   9  * is derivative of works licensed under the GNU General Public License or
  10  * other free or open source software licenses.
  11  * See COPYRIGHT.php for copyright notices and details.
  12  */
  13  
  14  /** ensure this file is being included by a parent file */
  15  defined('_JEXEC') or die('Direct Access to this location is not allowed.');
  16  
  17  class modFeedHelper
  18  {
  19  	function getFeed($params)
  20      {
  21          // module params
  22          $rssurl    = $params->get('rssurl', '');
  23  
  24          //  get RSS parsed object
  25          $options = array();
  26          $options['rssUrl']         = $rssurl;
  27          if ($params->get('cache')) {
  28              $options['cache_time']  = $params->get('cache_time', 15) ;
  29              $options['cache_time']    *= 60;
  30          } else {
  31              $options['cache_time'] = null;
  32          }
  33  
  34          $rssDoc =& JFactory::getXMLparser('RSS', $options);
  35  
  36          $feed = new stdclass();
  37  
  38          if ($rssDoc != false)
  39          {
  40              // channel header and link
  41              $feed->title = $rssDoc->get_title();
  42              $feed->link = $rssDoc->get_link();
  43              $feed->description = $rssDoc->get_description();
  44  
  45              // channel image if exists
  46              $feed->image->url = $rssDoc->get_image_url();
  47              $feed->image->title = $rssDoc->get_image_title();
  48  
  49              // items
  50              $items = $rssDoc->get_items();
  51  
  52              // feed elements
  53              $feed->items = array_slice($items, 0, $params->get('rssitems', 5));
  54          } else {
  55              $feed = false;
  56          }
  57  
  58          return $feed;
  59      }
  60  }