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Help, How To Attach File Download - Webmasters - Nairaland

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Help, How To Attach File Download by zegmart: 2:55pm On Jan 13, 2009

Can somebody help . How can I add file download to my web page?

my mail: baseg2002@yahoo.com

Re: Help, How To Attach File Download by Nobody: 10:11pm On Jan 13, 2009

I think you should take a look at http://www.phpjunkyard.com/ - i hope it helps.
I downloaded one of the ones on junkyard and modified it a lil bit for my website - www.mwebng.net

But a simple one will be

download.php


<?php
$url=$_REQUEST['url'];


$filename="$url";
$dfile="./$url";

// required for IE, otherwise Content-disposition is ignored
if(ini_get('zlib.output_compression'))
  ini_set('zlib.output_compression', 'Off');

// addition by Jorg Weske
$file_extension = strtolower(substr(strrchr($filename,".",1));

if( $filename == "" ) 
{
  echo "<html><title>Download Area</title><body>ERROR: download file NOT SPECIFIED. USE dl.php?file=filepath</body></html>";
  exit;
} elseif ( ! file_exists("$dfile" ) 
{
  echo "<html><title>Download Area</title><body>ERROR: File not found. USE dl.php?file=filepath</body></html>";
  exit;
};
switch( $file_extension )
{
  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: $ctype";
// change, added quotes to allow spaces in filenames, by Rajkumar Singh
header("Content-Disposition: attachment; filename=\"".basename($filename)."\";" );
header("Content-Transfer-Encoding: binary";
header("Content-Length: ".filesize($dfile));
readfile("$dfile";
//exit();
?>

Usage: download.php?url=myprograme.zip

I suspect that one is easy to follow?

Re: Help, How To Attach File Download by Nobody: 10:15pm On Jan 13, 2009

Another simpler example will be:



<?php
$file = 'monkey.gif';

//$file=$_REQUEST['url'];

if (file_exists($file)) {
    header('Content-Description: File Transfer');
    header('Content-Type: application/octet-stream');
    header('Content-Disposition: attachment; filename='.basename($file));
    header('Content-Transfer-Encoding: binary');
    header('Expires: 0');
    header('Cache-Control: must-revalidate, post-check=0, pre-check=0');
    header('Pragma: public');
    header('Content-Length: ' . filesize($file));
    ob_clean();
    flush();
    readfile($file);
    exit;
}
?>

Re: Help, How To Attach File Download by teemy(m): 10:34pm On Jan 17, 2009

Try using open in a new window (_blank) type for the link. Hope it helps out. If you need more help such as security let me know. Also hope you have the file itself uploaded with your favourite FTP software.

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