Admin menu for previous pastebin

<?php
function bp_rc_list_not_activated_users() {
    global $wpdb;

    if( is_multisite() ) {
        return $wpdb->get_results("SELECT user_email, activation_key FROM {$wpdb->signups} WHERE active = 0", OBJECT);
    } else {
        return $wpdb->get_results("SELECT user_email, meta_value as activation_key FROM {$wpdb->usermeta} m LEFT JOIN {$wpdb->users} u ON(m.user_id = u.ID)  WHERE meta_key = 'activation_key'", OBJECT);
    }
}

function bp_rc_admin_page(){

    if(!is_super_admin())
        return false;

    $userslist = bp_rc_list_not_activated_users();

    ?>
    <div class="wrap">
        <h2>List of users to activate</h2>
        <table class="widefat">
            <thead>
                <th>User email</th><th>activation key</th>
            </thead>
            <tbody>
                <?php if( count($userslist) > 0):?>
                <?php foreach($userslist as $user):?>
                    <td><?php echo $user->user_email;?></td><td><a href="<?php echo bp_get_activation_page() . '?key='.$user->activation_key ?>" title="Activate this user !"><?php echo $user->activation_key;?></a></td>
                <?php endforeach;?>
                <?php else:?>
                    <td colspan="2">No user to activate</td>
                <?php endif;?>
            </tbody>
        </table>
    </div>
    <?php
}

function bp_rc_administration_menu(){
    global $bp;

    if ( !is_super_admin() )
        return false;

    $code_snippets_manager_admin_page = add_submenu_page( 'bp-general-settings', __( 'BP Register Control'), __( 'BP Register Control'), 'manage_options', 'bp-rc-control', 'bp_rc_admin_page' );

}
add_action( is_multisite() ? 'network_admin_menu' : 'admin_menu', 'bp_rc_administration_menu', 18);
?>