$upload_path = **'./uploads'/**; // The place the files will be uploaded to
我想用登录用户名更改上传路径(相关：上传(。
你试过这样的事情吗？
$user = "admin"; //or whatever
$upload_path = "/uploads/" . $user;
我不太明白你的问题，但这里有一个例子
$upload_path = './' . ($logged_in ? $username : 'uploads') . '/';