Re: [PHP] PHP5 - How Do I Let Users Download Music Files?

[Daniel Schierbeck]

[EMAIL PROTECTED] wrote:
Hello everyone,
 

I want to build a music site, all copyrights intact, and I want users to be
able to download mp3 or realplayer files using a one-click link. When they
click on a link they will simply be given a typical download window to save
that music file. How do I go about doing that and how should my file
structure work? What should the link include? Is it possible to just say,
for example, http://somesite.com/music/something.mp3?
If you want more control over the files you could have the mp3's in a 
private directory, then using PHP to force a download. There are some 
other threads about the Content-Type header, which is probably what 
you're looking for

Imagine that your file, 3416.mp3 is in /songs. 3416 is the song ID, so 
you can grab info such as artist, album and song name from a DB. Below 
is download.php, to download 3416.mp3, you should type 
download.php?file=3416

        <?php
	if (!isset($_GET['file']) or !file_exists('songs/' . $_GET['file'] . 
'.mp3')) {
		die("No file selected");
	} else {
		$file = $_GET['file'];
	}

        $db = mysql_connect();
        // More DB stuff
        $artist = $row['artist']; // The artist name from the DB
        $album  = $row['album']; // ...
        $song   = $row['song']; // ...
        $filename = $artist . '-' . $album . '-' . $song . '.mp3';
        header('Content-Type: application/force-download');
        header('Content-Length: ' . filesize('songs/'.$file.'.mp3'));
        header('Content-Disposition: attachment; filename="' . $filename . '"');
        header('Content-Transfer-Encoding: binary');
        readfile('songs/' . $file . 'mp3');
        exit();
        ?>

Also, if I wanted them
to listen to streamed music does PHP have any specialized functions I could
use to achieve that? 
You should take a look at the Ming library and the mp3 stream function 
(http://www.php.net/manual/en/function.swfmovie.streammp3.php). It's a 
bit tricky though, but i can't think of anything else.

--
Daniel Schierbeck
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