* http://www.pgregg.com
*
* Function: Generate a valid MIME email with html and plain text elements
* and attach any files as needed
*
* This file should be included by other php scripts
*
* Open Source Code: If you use this code on your site for public
* access (i.e. on the Internet) then you must attribute the author and
* source web site: http://www.pgregg.com/projects/
* You must also make this original source code available for download
* unmodified or provide a link to the source. Additionally you must provide
* the source to any modified or translated versions or derivatives.
*
* This software is Donationware - if you feel you have benefited from
* the use of this tool then please consider a donation. The value of
* which is entirely left up to your discretion.
* http://www.pgregg.com/donate/
*
*/
// Function to generate a valid MIME email with html and plain text elements
// and attach any files as needed
// Usage notes:
// At a minimum you need to pass in an HTML formatted message.
// The plain text email can be supplied, or if left out (or you pass NULL)
// then strip_tags() will be called on the HTML to generate the plain text.
// Attachments:
// In Version 2.0 - you simply passed in an array of filenames. These would
// be encoded and attached as regular attachments to the email body.
// In Version 2.1 - you can, optionally, provide a "string" type key to
// the array value. This implies that this attachment is an in-line one
// and is encoded accordingly. This only works for images. The HTML part
// of the email should contain this string key as a PLACEHOLDER. The
// placeholder text is replaced with a call to the image.
// e.g. regular attachments:
// $attachments = array('file1.txt', 'file2.jpg');
// attachment + inline:
// $attachments = array('file1.txt', 'INLINEIMAGE'=>'file2.jpg');
// with inline images the string "INLINEIMAGE" is replaced with the
// correct content marker to display the image inline when viewing.
function GenerateMIMEMail(
$html, $plain=NULL, $attachments=array(), $boundarybase=NULL) {
$CRLF = "\n"; # Check your email injector - you may need \r\n
if (is_null($plain)) // crude, but effective if you layout the html nicely
$plain = str_replace(' ', ' ', strip_tags($html));
if (is_null($boundarybase))
$boundarybase = '==pgregg_Multipart_Boundary';
$mime_boundary1 = $boundarybase . '1_' . md5(time());
$mime_boundary2 = $boundarybase . '2_' . md5(time()+1);
// Lets generate the email headers we are going to use
$headers = '';
// Add MIME headers
$headers .= "MIME-Version: 1.0$CRLF";
$headers .= "Content-type: multipart/mixed;$CRLF boundary=\""
. $mime_boundary1 . '";' . "$CRLF";
// Pre-generate the Content-ID: / cid: for the in-line attachment placeholders
$placeholder_cid = array();
if (is_array($attachments) && count($attachments) > 0) {
foreach ($attachments as $placeholder => $tmpfile) {
if (is_readable($tmpfile)) {
if (is_string($placeholder)) { # attachment is an inline one
$tmpfilename = basename($tmpfile);
$cid = uniqid() .'@'. mt_rand(100000,999999) .'-'. mt_rand(1000,9999);
$html = preg_replace("/$placeholder/", "![\"$tmpfilename\"](\"cid:$cid\")
", $html);
$placeholder_cid[$placeholder] = $cid;
}
}
}
}
// Now generate the body of the email
$body = << 0) {
foreach ($attachments as $placeholder => $tmpfile) {
$tmpfilename = basename($tmpfile);
if (function_exists('mime_content_type'))
$tmp_mimetype = mime_content_type($tmpfile);
else
$tmp_mimetype = 'application/octet-stream';
if (is_readable($tmpfile)) {
if (is_string($placeholder)) { # attachment is an inline one
#$cid = uniqid() . '@' . mt_rand(100000,999999) . '-' . mt_rand(1000,9999);
# Recover the previously generated Content-ID: for this attachment
$cid = $placeholder_cid[$placeholder];
$body .= sprintf("--%s\nContent-Type: %s\n name=%s\nContent-Transfer-Encoding: base64\nContent-ID: <%s>\nContent-Description: %s\nContent-Location: %s\n\n",
$mime_boundary1, $tmp_mimetype, $tmpfilename,
$cid, $tmpfilename, $tmpfilename );
} else {
$body .= sprintf("--%s\nContent-Type: %s\n name=%s\nContent-Transfer-Encoding: base64\nContent-Disposition: attachment;\n filename=\"%s\"\n\n",
$mime_boundary1, $tmp_mimetype, $tmpfilename, $tmpfilename );
}
$body .= chunk_split(base64_encode(file_get_contents($tmpfile))) . "\n";
}
}
}
// Terminate the outer MIME boundary
$body .= '--' . $mime_boundary1 . "--\n";
// We now have our headers, body and attachments correctly encoded
return array($headers, $body);
}
?>