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新版的 WordPress2.7評論功能目前均由wp_list_comments()函數來顯示，只需進入後台設定即可馬上呈現評論巢狀層級與時間遞增、減排序的效果，此外WordPress2.7把Comment/Trackbacks/Pingbacks也整合在一起了，或許對某些人來說這是一大福音，但 相對於有特殊用意的人卻是一大困擾。此篇重點在指導使用者如何配合自訂的blog樣板來分離Comment/Trackbacks/Pingbacks

分離Comment/Trackbacks/Pingbacks

1.開啟comments.php尋找以下原始碼

< ?php comments_template(); ?>

修改成

< ?php comments_template('', true); ?>

2.查看comments.php中的評論顯示循還

< ?php if ( have_comments() ) : ?>
< ?php comments_number('No Responses', 'One Response', '% Responses' );?> to “< ?php the_title(); ?>”

        < ?php wp_list_comments(); ?>

< ?php previous_comments_link() ?>
< ?php next_comments_link() ?>

< ?php else : // this is displayed if there are no comments so far ?>

        < ?php if ('open' == $post->comment_status) : ?>
                

        < ?php else : // comments are closed ?>
                

Comments are closed.

        < ?php endif; ?>
< ?php endif; ?>

3.利用wp_list_comments函數參數來分離Comment與Trackbacks/Pingbacks顯示循還

Comments loop

< ?php if ( ! empty($comments_by_type['comment']) ) : ?>
< ?php comments_number('No Responses', 'One Response', '% Responses' );?> to “< ?php the_title(); ?>”

        < ?php wp_list_comments('type=comment'); ?>
< ?php endif; ?>

Trackbacks/Pingbacks loop

< ?php if ( ! empty($comments_by_type['pings']) ) : ?>
Trackbacks/Pingbacks

        < ?php wp_list_comments('type=pings'); ?>
< ?php endif; ?>

4.完成comments.php修改如下

< ?php if ( have_comments() ) : ?>
        < ?php if ( ! empty($comments_by_type['comment']) ) : ?>
< ?php comments_number('No Responses', 'One Response', '% Responses' );?> to “< ?php the_title(); ?>”

        < ?php wp_list_comments('type=comment'); ?>
< ?php endif; ?>

        < ?php if ( ! empty($comments_by_type['pings']) ) : ?>
Trackbacks/Pingbacks

        < ?php wp_list_comments('type=pings'); ?>
< ?php endif; ?>

< ?php previous_comments_link() ?>
< ?php next_comments_link() ?>

< ?php else : // this is displayed if there are no comments so far ?>

        < ?php if ('open' == $post->comment_status) : ?>
                

        < ?php else : // comments are closed ?>
                

Comments are closed.

        < ?php endif; ?>
< ?php endif; ?>

恭喜，至此你已完成Comment/Trackbacks/Pingbacks的分離，趕快到前端頁面看看你的成果吧
眼尖的人應該已經發現，修改後的Trackbacks/Pingbacks呈現方式，有標題、內容、時間，讓人覺得雜亂，下列將修改Trackbacks/Pingbacks樣式以條列式來呈現。

定義Trackbacks/Pingbacks樣式

1.開啟functions.php文件，於最下方添加以下原始碼

< ?php
function list_pings($comment, $args, $depth) {
       $GLOBALS['comment'] = $comment;
?>
	
< ?php comment_author_link(); ?>
< ?php } ?>

2.修改comments.php

< ?php wp_list_comments('type=pings'); ?>

修改成

< ?php wp_list_comments('type=pings&callback=list_pings'); ?>

恭喜你，又完成了一項創舉:-)

接下來，只要利用簡單的方式就可以讓使者用輕易將Comment與Trackbacks/Pingbacks之評論數分離

1.開啟functions.php文件，於最下方添加以下原始碼

< ?php
add_filter('get_comments_number', 'comment_count', 0);
function comment_count( $count ) {
        global $id;
        $comments_by_type = &separate_comments(get_comments('status=approve&post_id=' . $id));
        return count($comments_by_type['comment']);
}
?>

大功告成!!!

延伸應用 – 顯示Trackbacks/Pingbacks之數目

1.開啟comments.php，於適應位置添加以下代碼

< ?php echo count($comments_by_type['pings']); ?>

2.完成如下

< ?php if ( have_comments() ) : ?>
        < ?php if ( ! empty($comments_by_type['comment']) ) : ?>
< ?php comments_number('No Responses', 'One Response', '% Responses' );?> to “< ?php the_title(); ?>”

        < ?php wp_list_comments('type=comment'); ?>
< ?php endif; ?>

        < ?php if ( ! empty($comments_by_type['pings']) ) : ?>
< ?php echo count($comments_by_type['pings']); ?>Trackbacks/Pingbacks

        < ?php wp_list_comments('type=pings'); ?>
< ?php endif; ?>

< ?php previous_comments_link() ?>
< ?php next_comments_link() ?>

< ?php else : // this is displayed if there are no comments so far ?>

        < ?php if ('open' == $post->comment_status) : ?>
                

        < ?php else : // comments are closed ?>
                

Comments are closed.

        < ?php endif; ?>
< ?php endif; ?>

參考文件

Separating Pings from Comments in WordPress 2.7
Numbering your comments, pingbacks, trackbacks or all
如何分離 Comments 與 Pings
WordPress 2.7 Trackbacks 的两种处理方法

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