Ticket #2864: rss.3.php

<?php

require_once('simplepie.inc');

class WordPress_SimplePie_Cache extends SimplePie_Cache {
        var $name;
        
        function WordPress_SimplePie_Cache($location, $filename, $extension) {
                $this->name = rawurlencode($filename);
        }
        
        function save($data) {
                $cache_option = "rss_$this->name";
                $cache_timestamp = $cache_option . '_ts';
                if ( false !== get_option($cache_option) ) {
                        update_option($cache_option, $data);
                } else {
                        add_option($cache_option, $data, '', 'no');
                }
                if ( false !== get_option($cache_timestamp) ) {
                        update_option($cache_timestamp, time());
                } else {
                        add_option($cache_timestamp, time(), '', 'no');
                }
                return true;
        }
        
        function load() {
                return get_option("rss_$this->name");
        }
        
        function mtime() {
                return get_option('rss_' . $this->name . '_ts');
        }
        
        function touch() {
                $cache_timestamp = 'rss_' . $this->name . '_ts';
                if ( false !== get_option($cache_timestamp) ) {
                        update_option($cache_timestamp, time());
                } else {
                        add_option($cache_timestamp, time(), '', 'no');
                }
        }
        
        function unlink() {
                delete_option("rss_$this->name");
                delete_option('rss_' . $this->name . '_ts');
        }
}

function fetch_simplepie ($url) {
        $feed = new SimplePie;
        $feed->feed_url($url);
        $feed->set_cache_class('WordPress_SimplePie_Cache');
        $feed->strip_htmltags(false);
        $feed->strip_attributes(false);
        $feed->output_encoding(get_option('blog_charset'));
        $feed->cache_max_minutes(720);
        $feed->set_useragent('WordPress/' . $wp_version);
        if ($feed->init()) {
                return $feed;
        } else {
                return false;
        }
}

?>