找不到PHP下载的文件

Question

I have a script that gets a url for an mp3 track based on the ID sent via a GET variable in the url. The script then forces a download of this url. The problem i'm having is that the track is not found.

$url = $row['url'];
$file_name = $row['track_name'] .' - '. $row['artist_name'];
$path_parts = pathinfo($url); //get path info
$base_url  = $path_parts['basename']; //only include mp3 track just incase path added in there
$file_path  = '../uploads/' . $base_url; 
if (file_exists($file_path)) {
     header('Content-Description: File Transfer');
 header('Content-Type: audio/mpeg');
     header("Content-Transfer-Encoding: Binary"); 
     header("Content-disposition: attachment; filename=\"".$file_name."\""); 
     header('Expires: 0');
     header('Cache-Control: must-revalidate, post-check=0, pre-check=0');
     header('Pragma: public');
     header('Content-Length: ' . filesize($file_path));
 ob_clean();
     flush();
 readfile($file_path);
 exit;
}

else {
    echo 'File not found.';
    echo '<br/>';
echo $file_path;
}

What is show is something like this;

File not found.
../uploads/demo_4.wav

I have tried putting the full url as $file_path, so http://localhost/upload/ ... but the same thing happens.

If i enter the URL directly the file is there so i'm not exactly sure what is going on.

Answer 1

If you are running the script outside of the root folder, you want to use the relative path, try:

$file_path  = './uploads/' . $base_url; 

If you are running the script in the root folder and simply want to access a subfolder, try:

$file_path  = 'uploads/' . $base_url;