php unlink problems - file exists

I am having trouble with unlink in php... The files in the directory are uploaded with php form.

ls -l of /files/uploads/

total 6976
-rw-r--r--  1 alex  admin   689030 15 Aug 11:40 01805_goneclubbing_1680x1050.jpg
-rwxrwxrwx  1 alex  admin   174932 15 Aug 11:52 4vvF60D.tmp.jpg
-rw-r--r--  1 alex  admin  2699554 15 Aug 12:16 example.JPG

php script (cakePHP framework):

$file_path = '/files/uploads/';
    $file_name = $file['Upload']['path'];

    $classroom_id = $file['Upload']['classroom_id'];

        if (unlink($file_path . $file_name)) {

            if ($this->Upload->delete($id)) {
                $this->setFlash('File deleted');
                $this->redirect(array('controller' => 'classrooms', 'action' => 'view', $classroom_id));
            }

        }

php error:

Warning (2): unlink(/files/uploads/example.JPG) [function.unlink]: No such file or directory [APP/controllers/uploads_controller.php, line 55]

I searched on stackoverflow, tried giving 777 permissions and still not working. I can access the image through the browser at that path.

Thanks for the he开发者_JS百科lp!

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On any UNIX system, / is your system root. So when you try to access /files, you try to access a folder files located at your system root. I think you want to access /path_to_www/files, so either use a variable which stores your base path or use a relative path.

On the other hand, when you try to access /files from your web browser, it reaches the / of your web directory (or an alias path). So it is totally normal that you can access your image from your browser but not from php.

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The error tells you what the problem is - the file $file_path . $file_name doesn't exist. Echo it out - does it equal what you think it should?

You are referencing the storage location cannonically ('relative' to the root directory /) - did you mean to? Is there actually a directory called /files on your box? If there is I would be surprised...

You should make it if (is_file($file_path . $file_name) && unlink($file_path . $file_name)) in case the file has gone missing because of an external cause to get rid of the ugly error message, and probably also do $file_name = ltrim($file['Upload']['path'],'/'); to get rid of any stray leading slashes...

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You have an opening slash in your file path which is telling the application to look at root, not from your current location. You should change your path to include a .,so that it is

./files/uploads/example.JPG.

---

Try echoing getcwd() to make sure you're in the directory you think you are.

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ls -l of /files/uploads/

You did this with your user account/shell, didn't you?
Maybe the process running php "sees" the file system differently than your user account does (e.g. a chroot environment or something like that).

<?php
$file_path = '/files/uploads/';
$file_name = $file['Upload']['path'];
$classroom_id = $file['Upload']['classroom_id'];

// <-- debug
echo '<pre>files in ', $file_path, ":\n";
foreach( glob($file_path.'*') as $f) {
    echo "'", $f, "'\n";
}
echo "----\n</pre>\n";
// debug -->
if (unlink($file_path . $file_name)) {

    if ($this->Upload->delete($id)) {
        $this->setFlash('File deleted');
        $this->redirect(array('controller' => 'classrooms', 'action' => 'view', $classroom_id));
    }
}