Simple PHP form Attachment to email code golf

Question

Imagine a user that would like to put a form on their website that would allow a website visitor to upload a file and a simple message  which will immediately be emailed  ie  the file is not stored on the server  or if it is then only temporarily  as a file attachment with the note in the message body   See more details at http   a2zsollution com php-secure-e-mail   What is the simplest way to accomplish this   Simplest in terms of    Size  code golf  Ease of implementation  ideally all in one file  needs few to no external resources  Not obfuscated for the sake of obfuscation  tradeoffs for size are fine  Self contained example  if called without a form post  it displays the form    This is nearly the reverse of  How to get email and their attachments from PHP   It almost could have been answered in Compiling email with multiple attachments in PHP  but it doesn t actually show code

User · Answer

In order to add the file to the email as an attachment, it will need to be stored on the server briefly. It's trivial, though, to place it in a tmp location then delete it after you're done with it.

As for emailing, Zend Mail has a very easy to use interface for dealing with email attachments. We run with the whole Zend Framework installed, but I'm pretty sure you could just install the Zend_Mail library without needing any other modules for dependencies.

With Zend_Mail, sending an email with an attachment is as simple as:

$mail = new Zend_Mail();
$mail->setSubject("My Email with Attachment");
$mail->addTo("[email protected]");
$mail->setBodyText("Look at the attachment");
$attachment = $mail->createAttachment(file_get_contents('/path/to/file'));
$mail->send();

If you're looking for a one-file-package to do the whole form/email/attachment thing, I haven't seen one. But the individual components are certainly available and easy to assemble. Trickiest thing of the whole bunch is the email attachment, which the above recommendation makes very simple.

User · Answer

I haven t tested the email part of this  my test box does not send email  but I think it will work    lt  php if    POST     s   md5 rand     mail  email example com    attachment    -- s     POST  m    -- s Content-Type  application octet-stream  name   f   Content-Transfer-Encoding  base64 Content-Disposition  attachment    chunk split base64 encode join file   FILES  f    tmp name         -- s--    MIME-Version  1 0 r nContent-Type  multipart mixed  boundary    s      exit      gt   lt form method  post  enctype  multipart form-data  action   lt  php echo   SERVER  PHP SELF     gt   gt   lt textarea name  m  gt  lt  textarea gt  lt br gt   lt input type  file  name  f   gt  lt br gt   lt input type  submit  gt   lt  form gt

User · Answer

This article  How to create PHP based email form with file attachment  presents step-by-step instructions how to achieve your requirement   Quote      This article shows you how to create a   PHP based email form that supports   file attachment  The article will also   show you how to validate the type and   size of the uploaded file    It consists of the following steps    The HTML form with file upload box Getting the uploaded file in the PHP script Validating the size and extension of the uploaded file Copy the uploaded file Sending the Email   The entire example code can be downloaded here

User · Answer

PEAR  Mail Mime  Sure  PEAR dependency of  min  2 files  just mail mime itself if you edit it to remove the pear dependencies   but it works well  Additionally  most servers have PEAR installed to some extent  and in the best cases they have Pear Mail and Pear Mail Mime  Something that cannot be said for most other libraries offering the same functionality   You may also consider looking in to PHP s IMAP extension  It s a little more complicated  and requires more setup  not enabled or installed by default   but is must more efficient at compilng and sending messages to an IMAP capable server

User · Answer

Just for fun I thought I d knock it up  It ended up being trickier than I thought because I went in not fully understanding how the boundary part works  eventually I worked out that the starting and ending  --  were significant and off it went    lt  php     if isset   POST  submit                     The form has been submitted  prep a nice thank you message          output     lt h1 gt Thanks for your file and message  lt  h1 gt              Set the form flag to no display  cheap way            flags    style  display none                Deal with the email          to    me example com            subject    a file for you             message   strip tags   POST  message              attachment   chunk split base64 encode file get contents   FILES  file    tmp name                filename     FILES  file    name              boundary  md5 date  r   time                 headers    From  webmaster example com r nReply-To  webmaster example com            headers      r nMIME-Version  1 0 r nContent-Type  multipart mixed  boundary    1  boundary               message  This is a multi-part message in MIME format   -- 1  boundary Content-Type  multipart alternative  boundary    2  boundary    -- 2  boundary Content-Type  text plain  charset   iso-8859-1   Content-Transfer-Encoding  7bit   message  -- 2  boundary-- -- 1  boundary Content-Type  application octet-stream  name    filename    Content-Transfer-Encoding  base64  Content-Disposition  attachment    attachment -- 1  boundary--            mail  to   subject   message   headers           gt   lt  DOCTYPE HTML PUBLIC  -  W3C  DTD HTML 4 01  EN   http   www w3 org TR html4 strict dtd  gt   lt html gt   lt head gt   lt meta http-equiv  Content-Type  content  text html  charset utf-8  gt   lt title gt MailFile lt  title gt   lt  head gt    lt body gt    lt  php echo  output    gt    lt form enctype  multipart form-data  action   lt  php echo   SERVER  PHP SELF     gt   method  post   lt  php echo  flags   gt  gt   lt p gt  lt label for  message  gt Message lt  label gt   lt textarea name  message  id  message  cols  20  rows  8  gt  lt  textarea gt  lt  p gt   lt p gt  lt label for  file  gt File lt  label gt   lt input type  file  name  file  id  file  gt  lt  p gt   lt p gt  lt input type  submit  name  submit  id  submit  value  send  gt  lt  p gt   lt  form gt   lt  body gt   lt  html gt    Very barebones really  and obviously the using inline CSS to hide the form is a bit cheap and you d almost certainly want a bit more feedback to the user  Also  I d probably spend a bit more time working out what the actual Content-Type for the file is  rather than cheating and using application octet-stream but that part is quite as interesting

User · Answer

A combination of this http   www webcheatsheet com PHP send email text html attachment php attachment  with the php upload file example would work  In the upload file example instead of using move uploaded file to move it from the temporary folder you would just open it    attachment   chunk split base64 encode file get contents  tmp file        where  tmp file     FILES  userfile    tmp name      and send it as an attachment like the rest of the example   All in one file   self contained    lt   if isset   POST  submit        process and email  else    display form     gt    I think its a quick exercise to get what you need working based on the above two available examples   P S  It needs to get uploaded somewhere before Apache passes it along to PHP to do what it wants with it  That would be your system s temp folder by default unless it was changed in the config file

[php] Simple PHP form: Attachment to email (code golf)

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