Why is wp_list_authors not picking up Authors from CPT's when I have the supports option enabled? From what I have read elsewhere it looks like I have everything covered but the authors of CPT's refuse to show. I am trying to get the default post and CPT authors to show in one unified list. Could someone show me what I am doing wrong?


// Registers a new post type
add_action( 'init', 'message_init' );

function message_init() {
$labels = array(
    'name'               => _x( 'Messages', 'post type general name', 'site' ),
    'singular_name'      => _x( 'Message', 'post type singular name', 'site' ),
    'menu_name'          => _x( 'Messages', 'admin menu', 'site' ),
    'name_admin_bar'     => _x( 'Message', 'add new on admin bar', 'site' ),
    'add_new'            => _x( 'Add New', 'message', 'site' ),
    'add_new_item'       => __( 'Add New Message', 'site' ),
    'new_item'           => __( 'New Message', 'site' ),
    'edit_item'          => __( 'Edit Message', 'site' ),
    'view_item'          => __( 'View Message', 'site' ),
    'all_items'          => __( 'All Messages', 'site' ),
    'search_items'       => __( 'Search Messages', 'site' ),
    'parent_item_colon'  => __( 'Parent Messages:', 'site' ),
    'not_found'          => __( 'No messages found.', 'site' ),
    'not_found_in_trash' => __( 'No messages found in Trash.', 'site' ),

$args = array(
    'labels'             => $labels,
    'description'        => __( 'Description.', 'site' ),
    'public'             => true,
    'publicly_queryable' => true,
    'show_ui'            => true,
    'show_in_menu'       => true,
    'query_var'          => true,
    'rewrite'            => array( 'slug' => 'connect/series/message' ),
    'capability_type'    => 'post',
    'has_archive'        => true,
    'hierarchical'       => false,
    'menu_position'      => null,
    'supports'           => array( 'title', 'editor', 'author', 'thumbnail', 'post-formats' ),
    'taxonomies'         => array( 'category' )

    register_post_type( 'message', $args );


<div class="authors_content">
            <?php $args = array(
                'orderby'       => 'post_count', 
                'order'         => 'DESC', 
                'number'        => 5,
                'exclude_admin' => false, 
                'show_fullname' => false
            wp_list_authors( $args ); ?>
            <li><a href="#">View All</a></li>


Template Name: Message Template
Template Post Type: post, messages
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Well, for one thing, 'DSC' is incorrect for the 'order' parameter. It should be 'DESC.'

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  • Thanks that was a typo on my end but this does not address the issue. – Peter Oct 30 '18 at 19:27
  • If your authors haven't written any posts yet, you may need to set 'hide_empty" to false. Assuming that they have written posts, then the above code should output a list of all authors-with-posts at your site. Is it? – CK MacLeod Oct 30 '18 at 19:53
  • Thanks for replying. You are correct that a name will show using the above code if there is a post that is associated with a user (I have already tried setting hide_empty => false. However, I am trying to get the wp_list_authors() function to list authors for the default post type as well as custom post types. – Peter Oct 30 '18 at 20:26
  • well, wp_list_authors with 'hide_empty' => false should list all users with post-authoring capacities. In a mostly default WP installation, if your Message writers are listed as "Authors" under Users, they should should also come up. You could also check against or substitute the results of a get_users query. – CK MacLeod Oct 30 '18 at 21:43

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