wordpress中的feed

$rss = fetch_feed($rss_feed);

 

//display the RSS feed
wp_widget_rss_output( array(
'url' => $rss_feed,
'title' => $title,
'items' => $rss_items,
'show_summary' => 1
) );

 

http://www.wprecipes.com/wordpress-tip-fetch-and-display-rss-feeds