*/
function my_list_authors_function($args = '') {
    global $wpdb;

    $defaults = array(
        'orderby' => 'name', 'order' => 'ASC', 'number' => '',
        'optioncount' => false, 'exclude_admin' => true,
        'show_fullname' => false, 'hide_empty' => true,
        'feed' => '', 'feed_image' => '', 'feed_type' => '', 'echo' => true,
        'style' => 'list', 'html' => true
    );

    $args = wp_parse_args( $args, $defaults );
    extract( $args, EXTR_SKIP );

    $return = '';

    $query_args = wp_array_slice_assoc( $args, array( 'orderby', 'order', 'number' ) );
    $query_args['fields'] = 'ids';
    $authors = get_users( $query_args );

    $author_count = array();
    foreach ( (array) $wpdb->get_results("SELECT DISTINCT post_author, COUNT(ID) AS count FROM $wpdb->posts WHERE post_type = 'post' AND " . get_private_posts_cap_sql( 'post' ) . " GROUP BY post_author") as $row )
        $author_count[$row->post_author] = $row->count;

    foreach ( $authors as $author_id ) {
        $author = get_userdata( $author_id );

        if ( $exclude_admin && 'admin' == $author->display_name )
            continue;

        $posts = isset( $author_count[$author->ID] ) ? $author_count[$author->ID] : 0;

        if ( !$posts && $hide_empty )
            continue;

        $link = '';

        if ( $show_fullname && $author->first_name && $author->last_name )
            $name = "$author->first_name $author->last_name";
        else
            $name = $author->display_name;

        if ( !$html ) {
            $return .= $name . ', ';

            continue; // No need to go further to process HTML.
        }

        if ( 'list' == $style ) {
            $return .= '<li>';
        }


        if ( !empty( $feed_image ) || !empty( $feed ) ) {
            $link .= ' ';
            if ( empty( $feed_image ) ) {
                $link .= '(';
            }

            $link .= '<a href="' . get_author_feed_link( $author->ID ) . '"';

            $alt = $title = '';
            if ( !empty( $feed ) ) {
                $title = ' title="' . esc_attr( $feed ) . '"';
                $alt = ' alt="' . esc_attr( $feed ) . '"';
                $name = $feed;
                $link .= $title;
            }

            $link .= '>';

            if ( !empty( $feed_image ) )
                $link .= '<img src="' . esc_url( $feed_image ) . '" style="border: none;"' . $alt . $title . ' />';
            else
                $link .= $name;

            $link .= '</a>';

            if ( empty( $feed_image ) )
                $link .= ')';
        }

        $link = '<a href="' . get_author_posts_url( $author->ID, $author->user_nicename ) . '" title="' . esc_attr( sprintf(__("Posts by %s"), $author->display_name) ) . '">' . $name . '</a>';


        if ( $optioncount )
            $link .= ' ('. $posts . ')';

        $return .= $link;
        $return .= ( 'list' == $style ) ? '</li>' : ', ';
    }

    $return = rtrim($return, ', ');

    if ( !$echo )
        return $return;

    echo $return;
}