/**
RSS Feed Structure:
<channel>
...
<item>
<title> </title>
<link> </link>
...
</item>
</channel>
*/
$source = $_GET['source'];
$rss = new RSS($source);
$rss->getLatest();
class RSS
{
/**
* the cache directory where we are saving our feeds output
*/
private $cache_dir = 'cache';
/**
* time in seconds that the feed will be cached
*/
private $cache_lifetime = 300;
/**
* the variable passed with AJAX,
* that holds the name of the blog we want to fetch the RSS
*/
private $source;
