twentyfourteen_list_authors () // http://hookr.io/functions/twentyfourteen_list_authors/

twentyfourteen_list_authors.php

function twentyfourteen_list_authors() { 
    $contributor_ids = get_users( array( 
        'fields' => 'ID',  
        // 'orderby' => 'post_count', // WPCOM disabled, see #2023-wpcom-themes 
        'order' => 'DESC',  
        'who' => 'authors',  
 ) ); 
 
    foreach ( $contributor_ids as $contributor_id ) : 
        $post_count = count_user_posts( $contributor_id ); 
 
        // Move on if user has not published a post (yet). 
        if ( ! $post_count ) { 
            continue; 
        } 
    ?> 
 
    <div class="contributor"> 
        <div class="contributor-info"> 
            <div class="contributor-avatar"><?php echo get_avatar( $contributor_id, 132 ); ?></div> 
            <div class="contributor-summary"> 
                <h2 class="contributor-name"><?php echo get_the_author_meta( 'display_name', $contributor_id ); ?></h2> 
                <p class="contributor-bio"> 
                    <?php echo get_the_author_meta( 'description', $contributor_id ); ?> 
                </p> 
                <a class="button contributor-posts-link" href="<?php echo esc_url( get_author_posts_url( $contributor_id ) ); ?>"> 
                    <?php printf( _n( '%d Article', '%d Articles', $post_count, 'twentyfourteen' ), $post_count ); ?> 
                </a> 
            </div><!-- .contributor-summary --> 
        </div><!-- .contributor-info --> 
    </div><!-- .contributor --> 
 
    <?php 
    endforeach; 
} 


// Y se llama así

if ( !function_exists( 'twentyfourteen_list_authors' ) ) { 
    require_once '/functions.php'; 
}
// NOTICE! Understand what this does before running. 
$result = twentyfourteen_list_authors();