<?php
/******************************************************************************/
/*                                                                            */
/*                       __        ____                                       */
/*                 ___  / /  ___  / __/__  __ _____________ ___               */
/*                / _ \/ _ \/ _ \_\ \/ _ \/ // / __/ __/ -_|_-<               */
/*               / .__/_//_/ .__/___/\___/\_,_/_/  \__/\__/___/               */
/*              /_/       /_/                                                 */
/*                                                                            */
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/******************************************************************************/
/*                                                                            */
/* Titre          : Comment limiter la vistesse de download                   */
/*                                                                            */
/* URL            : http://www.phpsources.org/scripts377-PHP.htm              */
/* Auteur         : Matt                                                      */
/* Date édition   : 27 Avril 2008                                             */
/* Website auteur : http://www.france-relations.com                           */
/*                                                                            */
/******************************************************************************/


$file = "somefile.zip"; // Nom du fichier
$speed = 50; // i.e. 50 kb/s temps de telechargement
if(file_exists($file) && is_file($file)) {
   header("Cache-control: private");
   header("Content-Type: application/octet-stream");
   header("Content-Length: ".filesize($file));
   header("Content-Disposition: filename=$file" . "%20");
   flush();
   $fd = fopen($file, "r");
   while(!feof($fd)) {
      echo fread($fd, round($speed*1024)); // $speed kilobytes (Kb)
      flush();
      sleep(1);
   }
   fclose ($fd);
}

?>