WordPress User Taxonomy

author.php

<?php
get_header();

$curauth = (get_query_var( 'author_name' )) ? get_user_by( 'slug', get_query_var( 'author_name' ) ) : get_userdata( get_query_var( 'author' ) );
$userid = $curauth->ID;
$org_terms = wp_get_object_terms( $userid, 'user_cat' );
$position = '';
if ( ! empty( $org_terms ) ) {
  if ( ! is_wp_error( $org_terms ) ) {
    foreach ( $org_terms as $org_term ) {
      $position .= $org_term->name . ' ';
    }
  }
}
?>

<div>

	<div>
		<div>
			<?php echo get_avatar( $userid, 512 ); ?>
			<div>
				<h6><?php echo $curauth->display_name; ?></h6>
				<div><?php echo $position; ?></div>
			</div>
		</div><!-- .pb-layout-column-left -->
	</div><!-- .pb-layout-column-left -->

	<div class="pb-layout-column-right" style="visibility: visible;">
		<div class="pb-team-text-box">

			<h3 class="pb-team-text-box-member-name"><?php echo $curauth->display_name; ?></h3>
			<div class="pb-team-text-box-member-position"><?php echo $position; ?></div>
			
			<h6 class="pb-header">User Info:</h6>
				<ul>
					<?php if ( get_user_meta( $userid, 'meri_bday', true ) !== '' ) : ?>
						<li>
							<div>Age:</div>
							<div><?php echo date("Y") - get_user_meta( $userid, 'meri_bday', true ); ?></div>
						</li>
					<?php endif;
					if ( get_user_meta( $userid, 'meri_lang', true ) !== '' ) : ?>
						<li>
							<div>Languages:</div>
							<div><?php echo get_user_meta( $userid, 'meri_lang', true ); ?></div>
						</li>
					<?php endif;
					if ( get_user_meta( $userid, 'meri_edu', true ) !== '' ) : ?>
						<li>
							<div>Education:</div>
							<div><?php echo get_user_meta( $userid, 'meri_edu', true ) ?></div>
						</li>
					<?php endif; ?>
				</ul>
			</div><!-- .pb-vertical-grid -->

			<?php if ( get_user_meta( $userid, 'meri_know', true ) !== '' ) : ?>
				<h6>Other knowledge:</h6>
				<p><?php echo get_user_meta( $userid, 'meri_know', true ); ?></p>
			<?php endif;
			if ( get_user_meta( $userid, 'meri_ref', true ) !== '' ) : ?>
				<h6>References:</h6>
				<p><?php echo get_user_meta( $userid, 'meri_ref', true ); ?></p>
			<?php endif;
			if ( get_user_meta( $userid, 'meri_value', true ) !== '' ) : ?>
				<h6>Added value:</h6>
				<p><?php echo get_user_meta( $userid, 'meri_value', true ); ?></p>
			<?php endif; ?>

		</div>
	</div>

</div>

<?php get_footer();

taxonomy-user_cat.php

<?php
get_header();

<div>
	<ul>

		<?php
    $tax_name = get_queried_object()->name;

		$number   = 4; // Users per page.
		$paged    = ( get_query_var( 'paged' ) ) ? get_query_var( 'paged' ) : 1; // Current pagination number.

		if ( $paged == 1 ) {
			$offset = 0;
		} else {
			$offset = ( $paged - 1 ) * $number;
		} // Number of users passed (offset) in pages. From second page on.

		// Get all user IDs that belong to this User Taxonomy we are looking at.
		$args = array(
			'orderby'	 => 'display_name',
			'order'		 => 'ASC',
			'role'		 => 'shop_staff',
			'meta_key'	 => 'muser_cat',
			'meta_value' => get_queried_object()->term_id,
			'fields'	 => array( 'ID', 'user_login' ),
			'offset'	 => $offset,
			'number'	 => $number,
			'paged'		 => $paged,
			);

		$user_q = new WP_User_Query( $args );
		$qresults = $user_q->results; // Results from WP Query.

		if ( ! empty( $qresults ) ) :
			foreach ( $qresults as $usr ) :
				// Loop through each of them and output their profiles.
				$usr_id = $usr->ID;
				?>

				<li>
					<div>

						<div class="pb-layout-column-left">
							<a href="<?php printf( '%s/profile/%s', site_url(), $usr->user_login ); ?>">
								<div>
									<?php echo get_avatar( $usr_id, 512 ); ?>
									<div>
										<h6 class="pb-image-text-caption"><?php the_author_meta( 'first_name', $usr_id ); ?> <?php the_author_meta( 'last_name', $usr_id ); ?></h6>
										<div class="pb-image-text-description"><?php echo $tax_name; ?></div>
									</div>
								</div>
							</a>
						</div><!-- .pb-layout-column-left -->
						

						<div class="pb-layout-column-right">
							<div class="pb-team-text-box">
								<p><?php the_author_meta( 'description', $usr_id ); ?></p>
							</div>
						</div><!-- .pb-layout-column-right -->

					</div>
				</li>

			<?php endforeach;
		else :
			echo '<p>No profiles in this category.</p>';
		endif; ?>
		
	</ul>
</div>

<?php // Pagination.
$total_user = $user_q->total_users;
$total_pages = ceil( $total_user / $number ); // Total pages that should be created.

if ( $total_pages > 1 ) {
	echo '<div class="woocommerce"><nav id="usr-pagination" class="woocommerce-pagination">';
	echo paginate_links( array(
		'base'       => get_pagenum_link(1) . '%_%',
		'format'     => 'page/%#%/',
		'current'    => $paged,
		'total'      => $total_pages,
		'prev_text'	 => '←',
		'next_text'	 => '→',
		'end_size' 	 => 1,
		'mid_size'	 => 1,
		'type'       => 'list',
	) );
	echo '</nav></div>';
}

get_footer();

user-taxonomy.php

<?php
add_action( 'init', 'register_user_taxonomy' );
/**
 * Register new User Taxonomy user_cat
 */
function register_user_taxonomy() {
	$labels = array(
		'name' => 'User Category',
		'singular_name' => 'User Category',
		'search_items' => 'Search User Category',
		'all_items' => 'All User Categories',
		'parent_item' => 'Parent User Category',
		'parent_item_colon' => 'Prent User Category',
		'edit_item' => 'Edit User Category',
		'update_item' => 'Update User Category',
		'add_new_item' => 'Add New User Category',
		'new_item_name' => 'User Category Name',
		'menu_name' => 'User Category',
	);

	$args = array(
		'hierarchical' => true,
		'labels' => $labels,
		'show_ui' => true,
		'show_admin_column' => true,
		'query_var' => true,
		'rewrite' => array( 'slug' => 'type' ),
	);

	register_taxonomy( 'user_cat' , 'user' , $args );
}

add_action( 'admin_menu', 'add_user_cat_menu' );
/**
 * Add Admin Submenu
 */
function add_user_cat_menu() {
	add_submenu_page( 'users.php' , 'User Category', 'User Category' , 'add_users',  'edit-tags.php?taxonomy=user_cat' );
}

add_action( 'show_user_profile', 'show_user_cat' );
add_action( 'edit_user_profile', 'show_user_cat' );
/**
 * Show and Edit the category in User profile.
 *
 * @param  Object $user User.
 */
function show_user_cat( $user ) {
	// Get the terms that the user is assigned to.
	$assigned_terms = wp_get_object_terms( $user->ID, 'user_cat' );
	$assigned_term_ids = array();
	foreach ( $assigned_terms as $term ) {
		$assigned_term_ids[] = $term->term_id;
	}

	// Get all the terms we have.
	$user_cats = get_terms( 'user_cat', array( 'hide_empty' => false ) );
	?>

	<table class="form-table">
		<tr>
			<th><label>User Category</label></th>
			<td>
				<?php // List the terms as checkbox, make sure the assigned terms are checked.
				foreach( $user_cats as $cat ) { ?>
					<input type="checkbox" id="user-category-<?php echo $cat->term_id ?>" <?php if ( in_array( $cat->term_id, $assigned_term_ids ) ) echo 'checked=checked';?> name="user_cat[]"  value="<?php echo $cat->term_id;?>"/> 
					<?php
					echo '<label for="user-category-'.$cat->term_id.'">'.$cat->name.'</label>';
					echo '<br />';
				} ?>
			</td>
		</tr>
	</table>

	<?php
}

add_action( 'personal_options_update', 'save_user_cat' );
add_action( 'edit_user_profile_update', 'save_user_cat' );
/**
 * Update/Save on User update.
 *
 * @param  Int $user_id User ID.
 */
function save_user_cat( $user_id ) {
	if ( current_user_can( 'edit_user', $user_id ) ) {
		$user_terms = $_POST['user_cat'];
		$terms = array_unique( array_map( 'intval', $user_terms ) );
		wp_set_object_terms( $user_id, $terms, 'user_cat', false );

		// Save the category to usermeta. We need this to filter and show users on taxonomy archive page.
		update_usermeta( $user_id, 'muser_cat', $_POST['user_cat'][0] );

		// Make sure you clear the term cache.
		clean_object_term_cache( $user_id, 'user_cat' );
	}
}

add_action( 'init', 'tc_author_base' );
/**
 * Remove author slug, replace with 'profile'
 */
function tc_author_base() {
	global $wp_rewrite;
	$wp_rewrite->author_base = 'profile';
}

add_action( 'pre_get_posts', 'user_cat_pagination' );
/**
 * Add user_cat taxonomy to pagination.
 *
 * @param Object $query Query.
 */
function user_cat_pagination( $query ) {
	if ( $query->is_tax( 'user_cat' ) ) {
		$query->set( 'posts_per_page', 1 );
	}
}