typecho免插件开启评论@小尾巴

//获取评论的锚点链接function get_comment_at($coid){    $db   = Typecho_Db::get();    $prow = $db->fetchRow($db->select('parent,status')->from('table.comments')        ->where('coid = ?', $coid));//当前评论    $mail = "";    $parent = @$prow['parent'];    if ($parent != "0") {//子评论        $arow = $db->fetchRow($db->select('author,status,mail')->from('table.comments')            ->where('coid = ?', $parent));//查询该条评论的父评论的信息        @$author = @$arow['author'];//作者名称        $mail = @$arow['mail'];        if(@$author && $arow['status'] == "approved"){//父评论作者存在且父评论已经审核通过            if (@$prow['status'] == "waiting"){                echo '<p class="commentReview">（评论正在审核中）</p>';            }            echo '<a href="#comment-' . $parent . '">@' . $author . '</a>';        }else{//父评论作者不存在或者父评论没有审核通过            if (@$prow['status'] == "waiting"){                echo '<p class="commentReview">（评论正在审核中）</p>';            }else{                echo '';            }        }    } else {//母评论，无需输出锚点链接        if (@$prow['status'] == "waiting"){            echo '<p class="commentReview">（评论正在审核中）</p>';        }else{            echo '';        }    }}

<?php $parentMail = get_comment_at($comments->coid)?><?php echo $parentMail;?>