分享一段有趣的评论统计信息代码

HotNews Pro主题评论提示信息，显示为总的评论数，并单独统计显示访客和博主及来至外部的引用，显示效果如下：

目前有 314 条留言 其中：访客:240 条, 博主:70 条 引用: 4 

 

    <h2 id="comments">目前有   
        <?php   
            $my_email = get_bloginfo ( 'admin_email' );   
            $str = "SELECT COUNT(*) FROM $wpdb->comments WHERE comment_post_ID = $post->ID 
            AND comment_approved = '1' AND comment_type = '' AND comment_author_email";   
            $count_t = $post->comment_count;   
            $count_v = $wpdb->get_var("$str != '$my_email'");   
            $count_h = $wpdb->get_var("$str = '$my_email'");   
            echo $count_t, " 条留言  其中：访客:", $count_v, " 条, 博主:", $count_h, " 条 ";   
        ?>