<ul>
<?php
    global $wpdb, $table_prefix;
    $order = 'user_nicename';
    $user_ids = $wpdb->get_col("SELECT ID FROM $wpdb->users ORDER BY $order");
    foreach($user_ids as $user_id) :
    $user = get_userdata($user_id);
    $level = $table_prefix . 'user_level';
    $user->user_level = $user->$level;
    $role = $table_prefix . 'capabilities';
    $user->role = $user->role[0];
?>


<li>

<?php if(get_usernumposts($user->ID) > 0) : ?>
    <?php echo $user->user_nicename; ?> <?php echo get_usernumposts($user->ID); ?></a> yazısı yayınlanmıştır.
   
<?php endif; ?>

Hakkında <?php echo $user->description; ?>
Web Sitesi = <?php echo $user->user_url; ?> 
E-mail adresi = <?php echo $user->user_email; ?>
Kayıt Tarihi = <?php echo $user->user_registered; ?> 
</li>

<?php endforeach;?>
</ul>
Tüm Yazarlar İçin Bu Kodu Kullanabilirsiniz.

Ek Olarak Bunlarıda Ekleyebilirsin.

<?php echo $user->aim; ?>
   <?php echo $user->description; ?>
   <?php echo $user->display_name; ?>
   <?php echo $user->first_name; ?>
   <?php echo $user->jabber; ?>
   <?php echo $user->icq; ?>
   <?php echo $user->ID; ?>
   <?php echo $user->last_name; ?>
   <?php echo $user->msn; ?>
   <?php echo $user->nickname; ?>
   <?php echo $user->role; ?>
   <?php echo $user->user_email; ?>
   <?php echo $user->user_level; ?>
   <?php echo $user->user_login; ?>
   <?php echo $user->user_nicename; ?>
   <?php echo $user->user_registered; ?>
   <?php echo $user->user_url; ?>
   <?php echo $user->yim; ?>