Some code snippt to show user data inside a WordPress Theme for example custum meta data for activating personal sharable content Metaplayer or some stats tools for registered Members

<code> $user_info = get_userdata($userid);
  $username = $user_info-&gt;user_login;
  $first_name = $user_info-&gt;first_name;
  $last_name = $user_info-&gt;last_name;</code>

<code> </code>

Ref: WP wiki