Typecho完美实现回复可见功能

               <?php
                $db = Typecho_Db::get();
                $sql = $db->select()->from('table.comments')
                    ->where('cid = ?',$this->cid)
                    ->where('mail = ?', $this->remember('mail',true))
                    //只有通过审核的评论才能看回复可见内容
                    //->where('status = ?', 'approved')
                    ->limit(1);
                $result = $db->fetchAll($sql);
                if($this->user->hasLogin() || $result) {
                    $content = preg_replace("/\[pp\](.*?)\[\/pp\]/sm",'<div class="reply2view">$1</div>',$this->content);
                }
                else{
                    $content = preg_replace("/\[pp\](.*?)\[\/pp\]/sm",'<div class="reply2view" style="border:1px dashed #FF7373;padding: 5px 0 5px 25px;margin: 5px auto;color: #FF8383;line-height: 26px;text-align: center;">此处内容需要评论后方可阅读。</div>',$this->content);
                }
                echo $content 
                ?>

Typecho_Plugin::factory('Widget_Abstract_Contents')->excerptEx = array('myyodux','one'); Typecho_Plugin::factory('Widget_Abstract_Contents')->contentEx = array('myyodux','one');
class myyodux {
  public static function one($con,$obj,$text){

    $text = empty($text)?$con:$text;
    if(!$obj->is('single')){
        $text = preg_replace("/\[pp\](.*?)\[\/pp\]/sm",'',$text);
    }
    return $text;
}

.reply2view {
background:#f8f8f8;
padding:10px 10px 10px 40px;
position:relative
}