Forcer download

<?php

$sFileName = 'monfichier.txt';
$sFileNameWithPath = $sPath . '/' . $sFileName;
header("Content-disposition: attachment; filename=$sFileName");
header("Content-Type: application/force-download");
// à changer suivant le type de fichier
header("Content-Transfer-Encoding: text/plain\n");
header("Content-Length: " . filesize($sFileNameWithPath));
header("Pragma: no-cache");
header("Cache-Control: must-revalidate, post-check=0, pre-check=0, public");
header("Expires: 0");
readfile($sFileNameWithPath); 

<?php

$sFileName = 'image1.jpg';
$sFileNameWithPath = $sPath . '/' . $sFileName;
header("Content-disposition: attachment; filename=$sFileName");
header("Content-Type: application/force-download");
// à changer suivant le type de fichier
header("Content-Transfer-Encoding: text/plain\n");
header("Content-Length: " . filesize($sFileNameWithPath));
header("Pragma: no-cache");
header("Cache-Control: must-revalidate, post-check=0, pre-check=0, public");
header("Expires: 0");
readfile($sFileNameWithPath); 

?>

<META HTTP-EQUIV="Refresh"

      CONTENT="0; URL=mytweetter.zip"/> 

$sFileName = 'image/image1.jpg';
$sPath = dirname(__FILE__);
header("Content-disposition: attachment; filename=$sFileName");
header("Content-Type: application/force-download");
// à changer suivant le type de fichier
header("Content-Transfer-Encoding: image/jpeg\n");
header("Content-Length: " . filesize($sFileNameWithPath));
header("Pragma: no-cache");
header("Cache-Control: must-revalidate, post-check=0, pre-check=0, public");
header("Expires: 0");
readfile($sFileNameWithPath);

<?php
$_GET['doc'];
$fichier = $_GET['doc'];
$chemin = 'fichier/' . $fichier;
if (file_exists($chemin))
{
header('Content-disposition: attachment; filename="' . $fichier . '"');
header('Content-Type: application/force-download');
header('Content-Transfer-Encoding: binary');
header('Content-Length: '. filesize($chemin));
header('Pragma: no-cache');
header('Cache-Control: must-revalidate, post-check=0, pre-check=0');
header('Expires: 0');
readfile($chemin);
}
else
{
$erreurFichier = 'le fichier "' . $fichier . '" n\'existe pas. Veuillez-nous excusez pour le désagrément.';
}
?>