Sending an attachment with php

Question

I am trying to create an email form that allows you to send an attachment. I have pieced code together from my PHP book and several websites.

When I send the email using this form the attachment ends up corrupted and the "$comments" don't seem to go through.

Here is the code I am using:

<?php
$to = $_POST['to'];
$from = $_POST['from'];
$re = $_POST['re'];
$comments= $_POST['comments'];

$att = $_FILES['att'];
$att_path= $_FILES['att']['tmp_name'];
$att_name = $_FILES['att']['name'];
$att_size = $_FILES['att']['size'];
$att_type = $_FILES['att']['type'];

//open, read, then close the file
$fp = fopen( $att_path, "rb" );
$file = fread( $fp, $att_size );
fclose($fp);

#create a boundary string
$num = md5(time());
$str = "==Multipart_Boumdary_x{$num}x";

//encode the data for transit
$file = chunk_split(base64_encode($file));

//define header
$hdr = "MIME-Versio: 1.0\r\n";
$hdr .= "Content-Type: multipart/mixed; ";
$hdr .= "boundary=\"{$str}\"\r\n";
$hdr .= "From: $from \r\n";

#define message
$msg = "This is a multi-part message in MIME format\r\n\n";
$msg .= "--{$str}\r\n";
$msg .= "Content-Type: text/plain; charset=\"iso-8859-1\"\r\n";
$msg .= "Content-Transfer-Encoding: 8bit\r\n";
$msg .= "$comments\r\n\n";
$msg .= "--{$str}\r\n";

#define the non-text attatchment
$msg .= "Content-Type: {$att_type}; ";
$msg .= "name=\"{$att_name}\"\r\n";
$msg .= "Content-Disposition: attachment; ";
$msh .= "filename=\"{$att_name}\"\r\n";
$msg .= "Content-Transfer-Encoding: base64\r\n";
$msg .= "$file\r\n\n";
$msg .= "--{$str}";

#sendmail
$ok = mail( $to, $re, $msg, $hdr );
if( $ok ) echo "OK";

?>

So, what am I doing wrong?

Thanks!

See the Mail_Mime class in the PEAR Project, pear.php.net/package/Mail_Mime — nikc.org
– nikc.org, Commented Sep 29, 2009 at 7:59

Kane · Accepted Answer · 2009-09-29 03:10:29Z

2

You better use http://swiftmailer.org/ or http://phpmailer.worxware.com/

answered Sep 29, 2009 at 3:10

Kane

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2 Comments

lanrat Over a year ago

Swift Mailer seems nice however, the propose of this is for me to better my PHP skills, so I would like to know what I did wrong so that I can improve it.

Kane Over a year ago

You can check their sources, they bpth have convinient methods to add all sorts of attachments.

Wadih M. · Accepted Answer · 2009-09-29 03:29:42Z

0

Try this to encode your file for transit.

Replace the line:

  $file = chunk_split(base64_encode($file));

With:

  //Encode the file for transit
  $content = '';
  $fp = fopen($att_path, 'r'); 
  do { 
    $data = fread($fp, 8192); 
    if (strlen($data) == 0) break; 
    $content .= $data; 
  } while (true); 
  $file = chunk_split(base64_encode($content));

edited Sep 29, 2009 at 3:29

answered Sep 29, 2009 at 3:22

Wadih M.

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1 Comment

lanrat Over a year ago

That code just seems to put the attachment in the message text.

Palo Verde · Accepted Answer · 2009-09-29 03:14:03Z

0

I think you'd find it easier to use a something like PHPMailer http://phpmailer.worxware.com/index.php?pg=phpmailer

answered Sep 29, 2009 at 3:14

Palo Verde

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Comments

ken · Accepted Answer · 2009-09-29 06:03:08Z

0

$str = "==Multipart_Boumdary_x{$num}x";

Hopefully you've tried (notice the spelling of bouNdary):

$str = "==Multipart_Boundary_x{$num}x";

answered Sep 29, 2009 at 6:03

ken

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1 Comment

lanrat Over a year ago

Thanks, I fixed that but I am still having the same problem.

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