<?php

//$file = "6_licht.jpg";

//chmod($file,0444); // Nutzer www-data nicht gestattet, da von root in 'fhiiqm/test' erstellt!

$file = $_SERVER["DOCUMENT_ROOT"] ."/fhiiqm/alprot/6_licht.JPG";

header ("Content-Type: application/force-download");

//header ("Content-Type: application/jpg");

//header('Content-Transfer-Encoding: binary');

header ('Content-Disposition: attachment; filename="licht.jpg"');

header("Content-Length: " . filesize($file));

readfile($file);

//$fp = fopen("$file", "rb");   // geht genau so

//fpassthru($fp);

exit;

function downloadFile( $fullPath ){

  // Must be fresh start

  if( headers_sent() )

    die('Headers Sent');

  // Required for some browsers

  if(ini_get('zlib.output_compression'))

    ini_set('zlib.output_compression', 'Off');

  // File Exists?

  if( file_exists($fullPath) ){

    // Parse Info / Get Extension

    $fsize = filesize($fullPath);

    $path_parts = pathinfo($fullPath);

    $ext = strtolower($path_parts["extension"]);

    // Determine Content Type

    switch ($ext) {

      case "pdf": $ctype="application/pdf"; break;

      case "exe": $ctype="application/octet-stream"; break;

      case "zip": $ctype="application/zip"; break;

      case "doc": $ctype="application/msword"; break;

      case "xls": $ctype="application/vnd.ms-excel"; break;

      case "ppt": $ctype="application/vnd.ms-powerpoint"; break;

      case "gif": $ctype="image/gif"; break;

      case "png": $ctype="image/png"; break;

      case "jpeg":

      case "jpg": $ctype="image/jpg"; break;

      default: $ctype="application/force-download";

    }

    header("Pragma: public"); // required

    header("Expires: 0");

    header("Cache-Control: must-revalidate, post-check=0, pre-check=0");

    header("Cache-Control: private",false); // required for certain browsers

    header("Content-Type: $ctype");

    header("Content-Disposition: attachment; filename=\"".basename($fullPath)."\";" );

    header("Content-Transfer-Encoding: binary");

    header("Content-Length: ".$fsize);

    ob_clean();

    flush();

    readfile( $fullPath );

  } else

    die('File Not Found');

}

//downloadFile("6_licht.jpg");

?>