Kurt Zenisek

Example

[exclusive user="*username/user id*"]*exclusive content*[/exclusive]

The PHP Code

extract(shortcode_atts(array(
'user' => '1'
), $atts));
global $current_user;
get_currentuserinfo();
if($current_user->user_login == $user || $current_user->ID == $user)
return $content;