<div class="forum_avatar">
                          <a href="<?php 
echo PA::$url . PA_ROUTE_USER_PUBLIC . '/' . $created_by->login_name;
?>
">
                            <?php 
echo uihelper_resize_mk_user_img($created_by->picture, $avatar_size['width'], $avatar_size['height'], 'alt="' . $created_by->login_name . '"');
?>
                          </a>
                        </div>
                        <div class="smallfont">
                          <div><?php 
echo __('Posts');
?>
: <?php 
echo PaForumPost::countPaForumPost("user_id = {$created_by->user_id}");
?>
 </div>
                          <div><?php 
echo __('Last login');
?>
: <?php 
echo PA::date($created_by->last_login, 'short');
?>
 </div>
                          <div><?php 
echo __('Status');
?>
: <?php 
echo PaForumsUsers::getStatusString($created_by->user_id);
?>
 public function getThreadStatistics()
 {
     $statistic = array();
     $posts = array();
     $conditionalStatement = "thread_id = {$this->id} AND is_active = 1";
     $orderby = "created_at";
     $sort = "DESC";
     $limit = 1;
     $posts = PaForumPost::listPaForumPost($conditionalStatement, $orderby, $sort, $limit);
     $nb_posts = PaForumPost::countPaForumPost($conditionalStatement);
     $user = new User();
     $user->load((int) $this->get_user_id());
     $statistics['user'] = $user;
     $statistics['posts'] = $nb_posts;
     $last_post = null;
     if (!empty($posts[0])) {
         $last_post = $posts[0];
         $last_post->user = $last_post->getAuthor();
     }
     $statistics['last_post'] = $last_post;
     // (!empty($posts[0])) ? $posts[0] : null;
     return $statistics;
 }
              <div class="forum_avatar">
                <a href="<?php 
echo PA::$url . PA_ROUTE_USER_PUBLIC . '/' . $post->user->login_name;
?>
">
                  <?php 
echo uihelper_resize_mk_user_img($post->user->picture, $avatar_size['width'], $avatar_size['height'], 'alt="' . $post->user->login_name . '"');
?>
                </a>
              </div>
              <div class="smallfont">
                <div><?php 
echo __('Posts');
?>
: <?php 
echo $post->user->user_id != -1 ? PaForumPost::countPaForumPost("user_id = " . $post->user->user_id) : '';
?>
 </div>
                <div><?php 
echo __('Last login');
?>
: <?php 
echo $post->user->user_id != -1 ? PA::date($post->user->last_login, 'short') : '';
?>
 </div>
                <div><?php 
echo __('Status');
?>
: <?php 
echo $post->user->user_id != -1 ? PaForumsUsers::getStatusString($post->user->user_id) : '';
?>