/**
  * Callback function for handling forum role changes.  Note that we needed to execute this function 
  * on a different hook, `profile_update`.  Using the normal hooks on the edit user screen won't work 
  * because WP will wipe out the role.
  *
  * @since  1.0.0
  * @access public
  * @param  int    $user_id
  * @return void
  */
 public function role_update($user_id)
 {
     /* If the current user can't promote users or edit this particular user, bail. */
     if (!current_user_can('promote_users') || !current_user_can('edit_user', $user_id)) {
         return;
     }
     /* Is this a forum role change? */
     if (!isset($_POST['mb_forum_role'])) {
         return;
     }
     /* Get keymaster variables. */
     $is_keymaster = mb_is_user_keymaster(get_current_user_id());
     $keymaster_role = mb_get_keymaster_role();
     /* Get role variables. */
     $forum_role = mb_get_user_role($user_id);
     $new_role = sanitize_key($_POST['mb_forum_role']);
     /* Only keymasters can promote/demote other keymasters. */
     if ($is_keymaster && ($keymaster_role === $forum_role || $keymaster_role === $new_role)) {
         return;
     }
     /* If there's a new role and it doesn't match the old one, set it. */
     if ($forum_role !== $new_role && !empty($new_role)) {
         mb_set_user_role($user_id, $new_role);
     } elseif ($forum_role !== $new_role && empty($new_role)) {
         mb_remove_user_role($user_id, $new_role);
     }
 }
/**
 * Makes sure the current user has a forum role.
 *
 * @since  1.0.0
 * @access public
 * @return void
 */
function mb_set_current_user_role()
{
    /* If user is not logged in, bail. */
    if (!is_user_logged_in()) {
        return;
    }
    /* Get the current user ID. */
    $user_id = get_current_user_id();
    /* Get the user's forum role. */
    $forum_role = mb_get_user_role($user_id);
    /* If the user already has a forum role, bail. */
    if ($forum_role) {
        return;
    }
    /* Set the user forum role. */
    mb_add_user_role($user_id);
}
    mb_get_template_part('loop-reply');
    ?>

<?php 
} else {
    ?>

	<?php 
    echo get_avatar(mb_get_user_id());
    ?>

	<div class="mb-user-info">

		<ul>
			<li><?php 
    printf(__('Forum role: %s', 'message-board'), mb_get_role_link(mb_get_user_role()));
    ?>
</li>
			<li><?php 
    printf(__('Forums created: %s', 'message-board'), mb_get_user_forum_count());
    ?>
</li>
			<li><?php 
    printf(__('Topics started: %s', 'message-board'), mb_get_user_topic_count());
    ?>
</li>
			<li><?php 
    printf(__('Replies posted: %s', 'message-board'), mb_get_user_reply_count());
    ?>
</li>
			<li><?php 
 /**
  * Callback function for handling post status changes.
  *
  * @since  1.0.0
  * @access public
  * @return void
  */
 public function handler()
 {
     /* If the current user can't promote users or there are no users, bail. */
     if (!current_user_can('promote_users') || empty($_REQUEST['users'])) {
         return;
     }
     /* Is this a forum role change request? */
     if (empty($_REQUEST['mb_forum_role']) || empty($_REQUEST['mb_change_role'])) {
         return;
     }
     /* Get the new role. */
     $new_role = sanitize_key($_REQUEST['mb_forum_role']);
     /* Get an array of the allowed forum roles. */
     $dynamic_roles = mb_get_dynamic_roles();
     /* If the new role isn't one of our forum roles, bail. */
     if (!isset($dynamic_roles[$new_role])) {
         return;
     }
     /* Get some variables we need. */
     $current_user_id = get_current_user_id();
     $keymaster_role = mb_get_keymaster_role();
     $is_keymaster = mb_is_user_keymaster($current_user_id);
     /* Only keymasters can make new keymasters. */
     if ($keymaster_role === $new_role && false === $is_keymaster) {
         return;
     }
     /* Loop through each user and change their forum role. */
     foreach ((array) $_REQUEST['users'] as $user_id) {
         /* You can't go changing your own role, silly! */
         if ($current_user_id === $user_id) {
             continue;
         }
         /* Get the user's current forum role. */
         $forum_role = mb_get_user_role($user_id);
         /* Only keymasters can demote other keymasters. */
         if (false === $is_keymaster && $keymaster_role === $forum_role) {
             continue;
         }
         /* If the new role doesn't match the user's current role, let's set it. */
         if ($new_role !== $forum_role) {
             mb_set_user_role($user_id, $new_role);
         }
     }
     /* Remove some query args and build the redirect URL. */
     $url = remove_query_arg(array('s', 'action', 'new_role', 'mb_forum_role', 'mb_change_role', 'action2', 'users'));
     /* Redirect back to the users screen. */
     wp_safe_redirect($url);
 }
			<tr>
				<td class="mb-col-title">
					<?php 
        echo get_avatar(mb_get_user_id());
        ?>
					<?php 
        mb_user_link();
        ?>
					<div class="mb-user-description">
						<?php 
        the_author_meta('description', mb_get_user_id());
        ?>
					</div><!-- .mb-user-description -->
				</td>
				<td class="mb-col-role"><?php 
        mb_role_link(mb_get_user_role());
        ?>
</td>
				<td class="mb-col-count"><a href="<?php 
        mb_user_topics_url();
        ?>
"><?php 
        mb_user_topic_count();
        ?>
</a></td>
				<td class="mb-col-count"><a href="<?php 
        mb_user_replies_url();
        ?>
"><?php 
        mb_user_reply_count();
        ?>
</a>
		</header>

		<div class="mb-author-box">

			<?php 
echo get_avatar(mb_get_reply_author_id());
?>

			<div class="mb-author-info">
				<?php 
mb_reply_author_link();
?>
				<br />
				<?php 
mb_role_link(mb_get_user_role(mb_get_reply_author_id()));
?>
				<?php 
if (get_the_author_meta('url')) {
    ?>
					<br />
					<a href="<?php 
    echo esc_url(get_the_author_meta('url'), mb_get_reply_author_id());
    ?>
"><?php 
    _e('Web Site', 'message-board');
    ?>
</a>
				<?php 
}
?>
</a>
		</header>

		<div class="mb-author-box">

			<?php 
echo get_avatar(mb_get_topic_author_id());
?>

			<div class="mb-author-info">
				<?php 
mb_topic_author_profile_link();
?>
				<br />
				<?php 
mb_role_link(mb_get_user_role(mb_get_topic_author_id()));
?>
				<?php 
if (get_the_author_meta('url')) {
    ?>
					<br />
					<a href="<?php 
    echo esc_url(get_the_author_meta('url'), mb_get_topic_author_id());
    ?>
"><?php 
    _e('Web Site', 'message-board');
    ?>
</a>
				<?php 
}
?>