PHP重命名错误

Question

I get this error when using the rename function

Warning: rename(../data/feeds/feed2.txt,../data/feeds/feed3.txt) [function.rename]: No error in C:\wamp\www\cms\admin\pages\feeds.php on line 32

"../data/feeds/feed2.txt" is the correct path, I have done include("../data/feeds/feed2.txt") and it displays the file. And "../data/feeds/feed3.txt" doesn't exist.

Anyone know what's causing this?

Answer 1

you should check if "../data/feeds/feed2.txt" is readable and if "../data/feeds/feed3.txt" is writable...

$oldname = '';
$newname = '';
if (
    file_exists($oldname)&&
    (
        (!file_exists($newname))||
        is_writable($newname)
    )
) {
    rename($oldname, $newname);
}