Blogroll Shortcode v2

<?php
/*
 * WordPress Shortcode
 * Install : Drop in your functions.php, or create a simple plugin (and drop all your functions there)
 * Description : Displays the blogroll of a site
 * Dependencies : Can be used with My-Link-Order plugin, or without it
 * Usage : write the shortcode in any post/page [myblogroll]
 *       : to display only one category use this [myblogroll catslug="blogroll"]
 */
function printLinks( $atts, $content = null ) {
    extract( shortcode_atts( array(
            'catslug' => ''
        ), $atts ) );
    $ritorna = "";
    $taxonomy = 'link_category';
    if (!function_exists('mylinkorder_get_bookmarks')) {
        $args = array('orderby'=>'name','slug'=>$catslug);
    } else {
        $args = array('orderby'=>'order','slug'=>$catslug);
    }
    $terms = get_terms( $taxonomy, $args );
    if ($terms) {
        foreach($terms as $term) {
            if ($term->count > 0 && $term->slug!='uncategorized') {
                $ritorna .= "<br /><h3>".$term->name."</h3>";
                if (!function_exists('mylinkorder_get_bookmarks')) {
                    $bookmarks = get_bookmarks( array(
                                    'orderby'        => 'name',
                                    'order'          => 'ASC',
                                    'category_name' => $term->name
                                              ));
                } else {
                    $bookmarks = mylinkorder_get_bookmarks( array(
                                    'orderby'        => 'order',
                                    'category_name' => $term->name
                                              ));
                }
                foreach ( $bookmarks as $bm ) {
                    $ritorna .= sprintf( '<a class="relatedlink" href="%s">%s</a><br />', $bm->link_url, __($bm->link_name) );
                }

            }
        }
    }
    return $ritorna;
}
add_shortcode('myblogroll', 'printLinks');
?>