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<?php
/**
* @package Joomla.Site
* @subpackage mod_feed
* @copyright Copyright (C) 2005 - 2014 Open Source Matters, Inc. All rights reserved.
* @license GNU General Public License version 2 or later; see LICENSE.txt
*/
// no direct access
defined('_JEXEC') or die;
class modFeedHelper
{
static function getFeed($params)
{
// module params
$rssurl = $params->get('rssurl', '');
// get RSS parsed object
$cache_time = 0;
if ($params->get('cache'))
{
/*
* The cache_time will get fed into JCache to initiate the feed_parser cache group and eventually
* JCacheStorage will multiply the value by 60 and use that for its lifetime. The only way to sync
* the feed_parser cache (which caches with an empty dataset anyway) with the module cache is to
* first divide the module's cache time by 60 then inject that forward, which once stored into the
* JCacheStorage object, will be the correct value in minutes.
*/
$cache_time = $params->get('cache_time', 15) / 60;
}
$rssDoc = JFactory::getFeedParser($rssurl, $cache_time);
$feed = new stdClass;
if ($rssDoc != false)
{
// channel header and link
$feed->title = $rssDoc->get_title();
$feed->link = $rssDoc->get_link();
$feed->description = $rssDoc->get_description();
// channel image if exists
$feed->image = new stdClass;
$feed->image->url = $rssDoc->get_image_url();
$feed->image->title = $rssDoc->get_image_title();
// items
$items = $rssDoc->get_items();
// feed elements
$feed->items = array_slice($items, 0, $params->get('rssitems', 5));
} else {
$feed = false;
}
return $feed;
}
}