$result=dbquery("SELECT user_id,user_name,user_posts FROM ".DB_USERS." ORDER BY user_posts DESC LIMIT 0,5");
while ($data=dbquery($result)) {
 
echo "<a href='profile.php?lookup=".$data['user_id']."'>".$data['user_name']." - ".$data['user_posts']."</a></br>";
 
}