rename(assets/uploads/AC925972.pdf，assets/uploads/ABcd.pdf):

Question

我在codeigniter控制器中编写以下代码以下错误显示：

rename(assets/uploads/AC925972.pdf，assets/uploads/ABcd.pdf(：文件名、目录名或卷标语法不正确。(代码：123(

$path=AC545.pdf;
$old = "assets/uploads/$path";
$new = "assets/uploads/ABcd.pdf";
rename($old, $new);

Answer 1

更改

$path=AC545.pdf;

至

$path="AC545.pdf";