List authors of site with link and gravatar

3 comments

1. To answer your problems:

   Sorting by post count

   You can collect all the information you need in to an array and sort that array by number of posts , like this:

       //function to sort array by filed
       function authors_orderBy($data, $field){
          $code = "if ($a['$field'] == $b['$field']) {return 0;} return ($a['$field'] < $b['$field']) ? 1 : -1;";
          usort($data, create_function('$a,$b', $code));
          return $data;
       }
   

   then change your code a bit like so:

           $blogusers = get_users_of_blog();
           if ($blogusers) {
               $au = array();
               foreach ($blogusers as $bloguser) {
                  $user = get_userdata($bloguser->user_id);
                  $post_count = count_user_posts($user->ID);
                  $au[] = array('user_id' => $user->ID , 'nicename' => $user->user_nicename, 'display_name' => $user->display_name, 'email' => $user->user_email ,'post_count' => $post_count);
               }
   
               //Sort array
               $au = authors_orderBy($au, 'post_count');
   
              //then loop through the authors
              foreach ($au as $aut){
                if ($aut['post_count'] > 0) {
                   echo '<li>';
                   echo '<a href="'.get_bloginfo('url').'/author/' . $aut['nicename'] . '">'.get_avatar($aut['email'], '36').'</a>';
                   echo '<a href="'.get_bloginfo('url').'/author/' . $aut['nicename'] . '">'.$aut['display_name'] .' ('.$aut['post_count'].')</a><li>';
                }
              }
           }
   

   get_users_of_blog is a depreciated

   It’s weird because looking at the codex Yes this function is depreciated and you should use get_users() which should be shipped with Version 3.1

        /**
        * Retrieve list of users matching criteria.
        *
        * @since 3.1.0
        * @uses $wpdb
        * @uses WP_User_Query See for default arguments and information.
        *
        * @param array $args
        * @return array List of users.
        */
       function get_users( $args ) {
   
               $args = wp_parse_args( $args );
               $args['count_total'] = false;
   
               $user_search = new WP_User_Query($args);
   
               return (array) $user_search->get_results();
       }
   

   but if you look at wp_list_authors it uses get_users_of_blog() be itself.

   Hope this helps.

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2. get_users_of_blog() may be deprecated per documentation, but it is actually what wp_list_authors() uses internally ( source ) and there seems to be no viable alternative available at moment.

   I see no easy way to customize wp_list_authors() the way you want. Can only suggest to reuse code for it in you own function, modification to add gravatar will be minimal.

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3. code widget for sidebar:

   add_action( 'widgets_init', 'latest_members_widgets' );
   
   function latest_members_widgets() {
   register_widget( 'Latest_Members' );
   }
   class Latest_Members extends WP_Widget {
   function Latest_Members() {
       $widget_ops = array( 'classname' => 'latest_members', 'description' =>   'Visualizza gli avatar degli utenti iscritti.' );
       $this->WP_Widget( 'latest-members-widget', 'Iscritti Recenti', $widget_ops);
   }
   
   
    function widget( $args, $instance ) {
       extract( $args );
   
       $title = apply_filters('widget_title', $instance['title'] );
       $avatars = $instance['avatars']; ?>
   
       <?php echo $before_widget; ?>
   
       <?php if ( $title ) echo $before_title . $title . $after_title; ?>
   
       <div class="widget_latest_members">
       <ul>
           <?php global $wpdb;
           $szSort = "user_registered";
           $aUsersID = $wpdb->get_col( $wpdb->prepare(
           "SELECT $wpdb->users.ID FROM $wpdb->users ORDER BY ID DESC LIMIT $avatars", $szSort ));
           foreach ( $aUsersID as $iUserID ) :
           $user = get_userdata( $iUserID );
           echo '<a href="'.get_bloginfo(url).'/?author='.$iUserID.'" rel="profilo" title="Vai al Profilo">'.get_avatar($iUserID, 35,$default=$author->ID).'</a>';
           endforeach; ?>
           <br />
     <div class="totale"><?php $users = $wpdb->get_var("SELECT COUNT(ID) FROM $wpdb->users"); echo $users." utenti registrati";?></div>
   </ul>
       </div>
   
       <?php echo $after_widget; }
   
   function update( $new_instance, $old_instance ) {
       $instance = $old_instance;
   
       $instance['title'] = strip_tags( $new_instance['title'] );
       $instance['avatars'] = strip_tags( $new_instance['avatars'] );
   
       return $instance;
   }
   
   function form( $instance ) {
   
       /* Set up some default widget settings. */
       $defaults = array( 'title' => 'Latest Members', 'avatars' => 20);
       $instance = wp_parse_args( (array) $instance, $defaults ); ?>
   
       <p>
           <label for="<?php echo $this->get_field_id( 'title' ); ?>">Titolo:</label>
           <br/><input type="text" id="<?php echo $this->get_field_id( 'title' ); ?>" name="<?php echo $this->get_field_name( 'title' ); ?>" value="<?php echo $instance['title']; ?>" />
       </p>
       <p>
           <label for="<?php echo $this->get_field_id( 'avatars' ); ?>">Numero Avatar da visualizzare:</label>
           <br/><input type="text" id="<?php echo $this->get_field_id( 'avatars' ); ?>" name="<?php echo $this->get_field_name( 'avatars' ); ?>" value="<?php echo $instance['avatars']; ?>" />
       </p>
   
   <?php
   }
       }
   
       ?>
   

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