怎样实现wordpress评论倒计数？

[joynic]

比如，离50条评论还有23条。50是设置目标，超过50条显示正常评论数。谢谢。

[Tom_Jerry]

给我个联系方式，我帮你搞定。
另外，是厦门的？

[joynic]

@Tom_Jerry ^_^谢谢。是的，厦门的。可以的话请发邮件给我joynic#gmail.com再次感谢。

[joynic]

@Tom_Jerry 召唤^_^

[joynic]

$num_comments = get_comments_number(); // for some reason get_comments_number only returns a numeric value displaying the number of comments
$num_comments_goal = 50;
if ( comments_open() ){
if($num_comments == 0){
$comments = __('No Comments');
}
elseif($num_comments >= $num_comments_goal){
$comments = $num_comments. __('Comments');
}
elseif($num_comments > 1){
$comments = '离'.$num_comments_goal.'条评论还有'.($num_comments_goal -$num_comments). '条';
}
else{
$comments ="1 Comment";
}
$write_comments = '<a href="' . get_comments_link() .'">'. $comments.'</a>';
}
else{$write_comments = __('Comments are off for this post');}

这样行不通。。。求帮助。