Display RSS feeds on your WordPress site

wp-show-rss

include_once(ABSPATH . WPINC . '/rss.php');

// Feed URL
$feed = 'http://example.com/feed/';

$rss = fetch_feed($feed);
if (!is_wp_error( $rss ) ) :
	// Number of maximum items to get
	$maxitems = $rss->get_item_quantity(3);
	$rss_items = $rss->get_items(0, $maxitems);
	if ($rss_items):
        echo "<ul>\n";
        foreach ( $rss_items as $item ) : 
            echo '<li>';
            echo '<a href="' . $item->get_permalink() . '">' . $item->get_title() . "</a>\n";
            echo '<p>' . $item->get_description() . "</li>\n";
        endforeach;
        echo "</ul>\n";
    endif;
endif;