tags-cloud-shortcode-wp

function taglist_shortcode($atts)
{
    extract(shortcode_atts(array(
              'type' => '',
        ), $atts));
    $ret="";

    if ($type=='topic')
    {
        $args=array (
            'smallest' => '15',
            'largest' => '22',
            'number' => '0',
            'format' => 'list',
            'echo' => '0',
            'taxonomy'  => array('category'),
            );
        $ret=wp_tag_cloud($args);
    }
    else
    {
        $args=array (
            'smallest' => '8',
            'largest' => '22',
            'number' => '0',
            'format' => 'list',
            'echo' => '0',
            'taxonomy'  => array('post_tag'),
            );
        $ret=wp_tag_cloud($args);
    }
    return $ret;
}
add_shortcode ('taglist','taglist_shortcode');