Here is code to parse and decode all types of messages, including attachments. I've been using something like this for awhile now, so it's pretty robust.
<?
function getmsg($mbox,$mid) {
// input $mbox = IMAP stream, $mid = message id
// output all the following:
global $charset,$htmlmsg,$plainmsg,$attachments;
$htmlmsg = $plainmsg = $charset = '';
$attachments = array();
// HEADER
$h = imap_header($mbox,$mid);
// add code here to get date, from, to, cc, subject...
// BODY
$s = imap_fetchstructure($mbox,$mid);
if (!$s->parts) // simple
getpart($mbox,$mid,$s,0); // pass 0 as part-number
else { // multipart: cycle through each part
foreach ($s->parts as $partno0=>$p)
getpart($mbox,$mid,$p,$partno0+1);
}
}
function getpart($mbox,$mid,$p,$partno) {
// $partno = '1', '2', '2.1', '2.1.3', etc for multipart, 0 if simple
global $htmlmsg,$plainmsg,$charset,$attachments;
// DECODE DATA
$data = ($partno)?
imap_fetchbody($mbox,$mid,$partno): // multipart
imap_body($mbox,$mid); // simple
// Any part may be encoded, even plain text messages, so check everything.
if ($p->encoding==4)
$data = quoted_printable_decode($data);
elseif ($p->encoding==3)
$data = base64_decode($data);
// PARAMETERS
// get all parameters, like charset, filenames of attachments, etc.
$params = array();
if ($p->parameters)
foreach ($p->parameters as $x)
$params[strtolower($x->attribute)] = $x->value;
if ($p->dparameters)
foreach ($p->dparameters as $x)
$params[strtolower($x->attribute)] = $x->value;
// ATTACHMENT
// Any part with a filename is an attachment,
// so an attached text file (type 0) is not mistaken as the message.
if ($params['filename'] || $params['name']) {
// filename may be given as 'Filename' or 'Name' or both
$filename = ($params['filename'])? $params['filename'] : $params['name'];
// filename may be encoded, so see imap_mime_header_decode()
$attachments[$filename] = $data; // this is a problem if two files have same name
}
// TEXT
if ($p->type==0 && $data) {
// Messages may be split in different parts because of inline attachments,
// so append parts together with blank row.
if (strtolower($p->subtype)=='plain')
$plainmsg. = trim($data) ."\n\n";
else
$htmlmsg. = $data ."<br><br>";
$charset = $params['charset']; // assume all parts are same charset
}
// EMBEDDED MESSAGE
// Many bounce notifications embed the original message as type 2,
// but AOL uses type 1 (multipart), which is not handled here.
// There are no PHP functions to parse embedded messages,
// so this just appends the raw source to the main message.
elseif ($p->type==2 && $data) {
$plainmsg. = $data."\n\n";
}
// SUBPART RECURSION
if ($p->parts) {
foreach ($p->parts as $partno0=>$p2)
getpart($mbox,$mid,$p2,$partno.'.'.($partno0+1)); // 1.2, 1.2.1, etc.
}
}
?>
PHP - Manual: imap_fetchstructure
2024-11-15
imap_fetchstructure
(PHP 4, PHP 5, PHP 7, PHP 8)
imap_fetchstructure — Read the structure of a particular message
说明
imap_fetchstructure(IMAP\Connection
$imap, int $message_num, int $flags = 0): stdClass|falseFetches all the structured information for a given message.
参数
-
imap -
IMAP\Connection 实例。
-
message_num -
The message number
-
flags -
This optional parameter only has a single option,
FT_UID, which tells the function to treat themessage_numargument as aUID.
返回值
Returns an object with properties listed in the table below, 或者在失败时返回 false.
| type | Primary body type |
| encoding | Body transfer encoding |
| ifsubtype | true if there is a subtype string |
| subtype | MIME subtype |
| ifdescription | true if there is a description string |
| description | Content description string |
| ifid | true if there is an identification string |
| id | Identification string |
| lines | Number of lines |
| bytes | Number of bytes |
| ifdisposition | true if there is a disposition string |
| disposition | Disposition string |
| ifdparameters | true if the dparameters array exists |
| dparameters | An array of objects where each object has an
"attribute" and a "value"
property corresponding to the parameters on the
Content-disposition MIME
header. |
| ifparameters | true if the parameters array exists |
| parameters | An array of objects where each object has an
"attribute" and a "value"
property. |
| parts | An array of objects identical in structure to the top-level object, each of which corresponds to a MIME body part. |
| Value | Type | Constant |
|---|---|---|
| 0 | text | TYPETEXT |
| 1 | multipart | TYPEMULTIPART |
| 2 | message | TYPEMESSAGE |
| 3 | application | TYPEAPPLICATION |
| 4 | audio | TYPEAUDIO |
| 5 | image | TYPEIMAGE |
| 6 | video | TYPEVIDEO |
| 7 | model | TYPEMODEL |
| 8 | other | TYPEOTHER |
| Value | Type | Constant |
|---|---|---|
| 0 | 7bit | ENC7BIT |
| 1 | 8bit | ENC8BIT |
| 2 | Binary | ENCBINARY |
| 3 | Base64 | ENCBASE64 |
| 4 | Quoted-Printable | ENCQUOTEDPRINTABLE |
| 5 | other | ENCOTHER |
更新日志
| 版本 | 说明 |
|---|---|
| 8.1.0 |
现在 imap 参数接受 IMAP\Connection
实例，之前接受 资源(resource)。
|
参见
- imap_fetchbody() - Fetch a particular section of the body of the message
- imap_bodystruct() - Read the structure of a specified body section of a specific message
add a note
User Contributed Notes 33 notes
david at hundsness dot com ¶
13 years ago
sirber at detritus dot qc dot ca ¶
16 years ago
"Primary body type" of "unknown/unknown" will be int(9).
hans at lintoo dot dk ¶
16 years ago
To fetch a single part (for example to investigate a charset or something like that)
<?php
class StructureEngine {
private $structureObject;
public function __construct($structureInfo) {
$this->structureObject = $structureInfo;
}
// snip....
public function getPart($partNum) {
$path = split("[.]",$partNum);
$currentPart = $this->structureObject;
foreach ($path as $key => $num) {
$currentPart = $currentPart->parts[$num-1];
}
return $currentPart;
}
}
?>
kmakaveev(at)yahoo(dot)com ¶
19 years ago
There's a little mistake in the code above!
The second echo must return "The message has no attachment!".
And that code must have some some additional thing to work properly! Maybe I must use ->parts to determine how many parts has a particular message!
php AT firstnetimpressions.com ¶
20 years ago
Point of clarification:
The seventh primary body type is not "Other" as documented, but actually "Model". This encompasses IGES, VRML, MESH, DWF, etc.
http://www.isi.edu/in-notes/iana/assignments/media-types/media-types
"Other" is the eigth primary body type.
chrislhill at "O_o" hotmail dot com ¶
18 years ago
For people just beging this may help alot as I spent a couple hours just trying to relize how exact the array was stored. (at the time I did not know the print_r function :P)
$struct = imap_fetchstructure($mbox, $msgnumber);
print_r($struct);
Will give you a better example for your messages but they are called as $struct using the varible method above.
$struct->type; //would return the type
$struct->encoding //would return the encoding
and etc..
This can be done many different ways but that is the basics on pulling the info out of the structure of fetchstructure itself, I hope it helps someone starting because it wouldve helped me :/.
jbrandt at europa dot com ¶
21 years ago
Parsing the recursive object returned from imap_fetchstructure is easy. However trying to figure out the name of the section to pass to imap_fetchbody() isn't quite so straight forward because the naming conventions for the MIME sections are odd. If you copy and paste the following function you can pass an UID of an IMAP message and it will print out a hierarchy of the message and label each section.
The only required parameters are $mbox and $em_uid. The other parameters are used when the function needs to call itself.
Two functions mime_encoding() and mime_type() are not included. All they do is return string for the integer represention of a mime type/encoding.
<?php
function imap_dbody($mbox, $em_uid, $mimeobj, $depth = 0, $section = 0)
{
// If this is the first run of the function then grab a object of the MIME structure of the message
if($section == 0) $mimeobj = imap_fetchstructure($mbox, $em_uid, FT_UID);
for($y = 0; $y < $depth; $y++) echo(" ");
echo(mime_type($mimeobj->type) . "/{$mimeobj->subtype}, ");
echo(mime_encoding($mimeobj->encoding) . " (<B>$section</B>)<BR>");
for($x = 0; $x < count($mimeobj->parts); $x++)
{
// If we are in the root of the object increment by whole integers
if($section == 0) $nsection = $x + 1;
// If we are in the object and the first sub-object of our object isn't multipart
// then increment the postfix by ".1" otherwise we are multipart or a message
// and leave the section id alone to be handled by the next code block
else if(($pos = strrpos($section, ".")) && $mimeobj->parts[0]->type != TYPEMULTIPART)
$nsection = substr($section, 0, $pos) . "." . ($x + 1);
else
$nsection = $section;
// If there are more parts to the part about to be processed reference it as a header with ".0"
// but only if the child of this child isn't MULTIPART
if(count($mimeobj->parts[$x]->parts))
{
// Funny really, if a mime section is a inline message that has a multipart body you reference the message
// mime section with "2" the inline message header with "2.0" and the subsections with "2.x"
// However if the mime section is a inline message with only 1 part then you reference the
// mime section in the message with 2.0 and the inline message body with 2.1
if(!($mimeobj->parts[$x]->type == TYPEMESSAGE && $mimeobj->parts[$x]->parts[0]->type == TYPEMULTIPART))
$nsection .= ".0";
else
$nsection .= "";
}
imap_dbody($mbox, $em_uid, $mimeobj->parts[$x], $depth + 1, $nsection);
}
// If after processing the entire MIME object the $x variable is still zero then we didn't
// process a multipart mime message, it's just normal email so say so here.
if($x == 0 && $section == 0)
{
echo(mime_type($mimeobj->type) . "/{$mimeobj->subtype}, ");
echo(mime_encoding($mimeobj->encoding) . " (<B>1</B>) (<B>NOT MIME MULTIPART</B>)<BR>");
}
}
?>
as1 at powersite dot com dot ar ¶
19 years ago
Sorry, my before code is not complet:
$struct = imap_fetchstructure( $conn, $curMsg );
$i = 1;
while( imap_fetchbody( $conn, $curMsg, $i ) ){
$struct->parts[$i-1] = imap_bodystruct( $conn, $curMsg, $i );
$j = 1;
while( imap_fetchbody( $conn, $curMsg, "$i.$j" ) ){
$struct->parts[$i-1]->parts[$j-1] = imap_bodystruct( $conn, $curMsg, "$i.$j" );
$j++;
}
$i++;
}
john at vetsurgeon dot org dot uk ¶
16 years ago
A little script I threw together to break a message down and process it into a usable array
<?
//script will fetch an email identified by $msgid, and parse the its parts into an
//array $partsarray
//structure of array:
//$partsarray[<name of part>][<attachment/text>]
//if attachment- subarray is [filename][binary data]
//if text- subarray is [type of text(HTML/PLAIN)][text string]
//i.e.
//$partsarray[3.1][attachment][filename]=filename of attachment in part 3.1
//$partsarray[3.1][attachment][binary]=binary data of attachment in part 3.1
//$partsarray[2][text][type]=type of text in part 2
//$partsarray[2][text][string]=decoded text string in part 2
//$partsarray[not multipart][text][string]=decoded text string in message that isn't multipart
function parsepart($p,$i){
global $link,$msgid,$partsarray;
//where to write file attachments to:
$filestore = '[full/path/to/attachment/store/(chmod777)]';
//fetch part
$part=imap_fetchbody($link,$msgid,$i);
//if type is not text
if ($p->type!=0){
//DECODE PART
//decode if base64
if ($p->encoding==3)$part=base64_decode($part);
//decode if quoted printable
if ($p->encoding==4)$part=quoted_printable_decode($part);
//no need to decode binary or 8bit!
//get filename of attachment if present
$filename='';
// if there are any dparameters present in this part
if (count($p->dparameters)>0){
foreach ($p->dparameters as $dparam){
if ((strtoupper($dparam->attribute)=='NAME') ||(strtoupper($dparam->attribute)=='FILENAME')) $filename=$dparam->value;
}
}
//if no filename found
if ($filename==''){
// if there are any parameters present in this part
if (count($p->parameters)>0){
foreach ($p->parameters as $param){
if ((strtoupper($param->attribute)=='NAME') ||(strtoupper($param->attribute)=='FILENAME')) $filename=$param->value;
}
}
}
//write to disk and set partsarray variable
if ($filename!=''){
$partsarray[$i][attachment] = array('filename'=>$filename,'binary'=>$part);
$fp=fopen($filestore.$filename,"w+");
fwrite($fp,$part);
fclose($fp);
}
//end if type!=0
}
//if part is text
else if($p->type==0){
//decode text
//if QUOTED-PRINTABLE
if ($p->encoding==4) $part=quoted_printable_decode($part);
//if base 64
if ($p->encoding==3) $part=base64_decode($part);
//OPTIONAL PROCESSING e.g. nl2br for plain text
//if plain text
if (strtoupper($p->subtype)=='PLAIN')1;
//if HTML
else if (strtoupper($p->subtype)=='HTML')1;
$partsarray[$i][text] = array('type'=>$p->subtype,'string'=>$part);
}
//if subparts... recurse into function and parse them too!
if (count($p->parts)>0){
foreach ($p->parts as $pno=>$parr){
parsepart($parr,($i.'.'.($pno+1)));
}
}
return;
}
//open resource
$link=imap_open("{localhost:110/pop3}INBOX",'[YOUR USERNAME]','[YOUR PASSWORD]');
//fetch structure of message
$s=imap_fetchstructure($link,$msgid);
//see if there are any parts
if (count($s->parts)>0){
foreach ($s->parts as $partno=>$partarr){
//parse parts of email
parsepart($partarr,$partno+1);
}
}
//for not multipart messages
else{
//get body of message
$text=imap_body($link,$msgid);
//decode if quoted-printable
if ($s->encoding==4) $text=quoted_printable_decode($text);
//OPTIONAL PROCESSING
if (strtoupper($s->subtype)=='PLAIN') $text=$text;
if (strtoupper($s->subtype)=='HTML') $text=$text;
$partsarray['not multipart'][text]=array('type'=>$s->subtype,'string'=>$text);
}
print_r($partsarray);
?>
as1 at powersite dot com dot ar ¶
19 years ago
If your imap_fetchstructure not retrive all parts, write it:
$struct = imap_fetchstructure( $conn, $curMsg );
$i = 1;
while( imap_fetchbody( $conn, $curMsg, $i ) ){
$struct->parts[$i-1] = imap_bodystruct( $conn, $curMsg, $i );
$i++;
}
raulggonzalez at gmail dot com ¶
11 years ago
Hello eveybody,
After reading plenty of posts (some good, some others not so good) I want to post a function to find out whether an email is coming with attachments
The function can be called passing the object returned by imap_fetchstructure() or any of its parts (recursively)
<?php
$inbox = imap_open($hostname,$username,$password) or die('Cannot connect to mail: ' . imap_last_error());
$struct = imap_fetchstructure($inbox,$uid,FT_UID);
$existAttachments = existAttachment($struct);
function existAttachment($part){
if (isset($part->parts)){
foreach ($part->parts as $partOfPart){
existAttachment($partOfPart);
}
}
else{
if (isset($part->disposition)){
if ($part->disposition == 'attachment'){
echo '<p>' . $part->dparameters[0]->value . '</p>';
// here you can create a link to the file whose name is $part->dparameters[0]->value to download it
return true;
}
}
}
}
?>
Hopefully somebody can use it as well
masterbassist ¶
17 years ago
I think the following line (when building attachment information)
>>> "filename" => $parts[$i]->parameters[0]->value
needs to be
>>> "filename" => $parts[$i]->dparameters[0]->value
The first version generated a PHP warning under PHP 5.0.3. The second version actually gets the filename.
y dot daradkeh at gmail dot com ¶
17 years ago
Hey people, get the message attachments with this code:
<?php
$mbox = imap_open("$imap_server".$f,$name,$pass);
// delibertely choose a message with an attachment
$info = imap_fetchstructure($mbox, $mno);
// find out how may parts the object has
$numparts = count($info->parts);
$i=0;
// find if multipart message
if ($numparts >1)
{
echo "<b>More than one part</b><br><br>";
foreach ($info->parts as $part)
{
if ($part->disposition == "INLINE")
printf("Inline message has %s lines<BR>", $part->lines);
elseif ($part->disposition == "attachment")
{
$i++;
echo $i." Attachment/s found!<br>";
echo "Filename: ".$part->dparameters[0]->value."<br><br>";
}
}
}
else
echo "Only one part";
imap_close($mbox);
?>
aperez at informatica dot 24ruedas dot com ¶
18 years ago
About above comment and source code I wrote: certainly, plain/html text files are attachments, but I've written my code thinking about web IMAP clients, where text parts are not for downloading, simply they are shown. That's the reason.
Thanks anyway. :)
phpnet,a,emailaddress,cjb,net ¶
14 years ago
Another comment to inform people about something that should really be in the function description:
imap_fetchstructure() downloads the entire email, attachments and all, rather than just the structure.
I guess it's an undocumented feature, not a bug.
I had assumed that the script would have only downloaded the amount of data that was returned, but my script downloaded a cumulative 2.5gig before i noticed. Hopefully no-one else will have this happen.
aperez at informatica dot 24ruedas dot com ¶
18 years ago
This is my function to check attachments:
<?php
$est=imap_fetchstructure($con,$msg);
if(checkAttachments($est))
{
echo("You have attachment(s)");
}
else
{
echo("You don't have attachment(s)");
}
function checkAttachments($estMsg)
{
if(($estMsg->type!=0) && ($estMsg->type!=1))
{
// Text and multipart parts will not be shown as attachments
return(true);
}
else
{
// If there's no attachments, parts inside will be checked
if($estMsg->parts)
{
$partMsg=$estMsg->parts;
$i=0;
// Parts will be checked while no attachments found or not all of them checked
while(!(checkAttachments($partMsg[$i])) && ($i<sizeof($estMsg->parts)))
{
$i++;
}
// If any 'checkAttachment' calls returned 'true', 'i' should be
// equal to number of parts(after increased in while). So, no
// attachments found
if($i==sizeof($estMsg->parts))
{
return(false);
}
else
{
return(true);
}
}
else
{
// If no parts and text or multipart type, no attachments
return(false);
}
}
}
imap_close($con);
?>
I hope this helps somebody else(if bugs, thanks for your fixes).
Anonymous ¶
19 years ago
This function sets MIME charset
parameter value to US-ASCII when
either Content-Type header is missing
or Content-Type header doesn't have
charset parameter. This may be compliant
to RFC 822, but this poses
a problem for a calling function that
has to deal with untagged messages
in MIME charset other than US-ASCII.
To work around this, US-ASCII
has to be treated as the absence of MIME charset.
alchrystal88 at web dot de ¶
3 years ago
If you have errors with wrong attachment names like this:
correct name:
String -> Prüfbericht Hersteller.pdf
fetchstructure object name:
=?ISO-8859-1?Q?Pr=FCfbericht_Hersteller=2Epdf?=
Workaround to reconvert:
imap_mime_header_decode($fetchstructure->dparameters->value)[0]->text
imap_mime_header_decode($filename)[0]->text
hello at ivanbogomolov dot ru ¶
3 years ago
If you logic based on compare structure strings, you must compare it case insensetive.
<?php
$p = imap_fetchstructure($this->_imap_resource, $mid);
//do not compare $p->disposition == 'INLINE'
if(preg_match('/inline/i', $p->disposition))
{
//this works
}
?>
es96 at hotmail dot com ¶
18 years ago
If you are getting CHARSET as US-ASCII even if the header has a Content-Type: field, make sure the header also has a MIME-Version: field.
For example, the following header will correcty report charset as KOI8-R
MIME-Version: 1.0
Content-Type: text/plain; charset="koi8-r"
Without the MIME-Version it will be reported as US-ASII
jcastro at elnuevodia dot com ¶
19 years ago
I think the above note about attachments is wrong. I tested sending files with and without attachments and I get the following<br>
with attachment: type=3 bytes=343648
no attachment: type=0 bytes=2
so checking for $struct->bytes == " " means nothing. At least in my test
running windows 2000, php4.2.1 using outlook and exchange. It seems that cheking the type will be more reliable
mkknapp at quadrapod dot com ¶
21 years ago
Assuming $struct = imap_fetchstructure($x,$y);
It is important to note that if a message has NO attachements, $struct->parts is an empty array, and $struct->bytes has a value. If a message as ANY attachements, $struct->bytes ALWAYS = 0. To get the size of the primary body, you have to call structure->part[0]->bytes. To get the size of the whole message, either strlen(imap_body) or add up the ->bytes of all the parts.
Another interesting note:
When there is body text and no attachements:
count($struct->parts) = 0
When there is body text and 1 attachement:
count($struct->parts) = 2
These imap functions could really use better documentation. Like giving the meathods for the dparameter and parameter classes...
hholzgra at media-engineering dot de ¶
22 years ago
the parts objects are identical in
structure to those returned by imap_fetchstructure, describing one subfolder each
parameters and dparameters are MIME-specific, theese contain the
extra parameters provided in the Content-Type and Content-Disposion Header lines such as Charset or Filename
burninleo at gmx dot net ¶
11 years ago
Use imap_errors() to get rid of sticky error messages about incorrect MIME headers.
Rui Torre rui_sharkye at hotmail dot com ¶
13 years ago
I've made this two functions to decode mime headers and so far they are working just fine decoding all headers. Please let me know if you find any error. Hope they are useful for you too.
<?php
function decode_headers($cabecalho){
while (preg_match('/^(.*)=\?([^?]*)\?(Q|B)\?(.*)$/Ui', $cabecalho)){
$cabecalho = preg_replace("/(\t|\r|\n)/", "", $cabecalho);
$cabecalho = preg_replace("/\?(Q|B)\?=/Ui", "?\\1? =", $cabecalho);
$partes_cabecalho = explode("?=", $cabecalho);
$resultado = "";
foreach ($partes_cabecalho as $texto){
$texto = preg_replace("/\?(Q|B)\?\s=/Ui", "?\\1?=", $texto);
$texto = preg_replace("/\?(Q|B)\?/Ui", "=?\\1=?", $texto);
if (preg_match('/^(.*)=\?([^?]*)=\?(Q|B)=\?(.*)$/Ui', $texto)){
$partes_texto = explode ("=?", $texto);
$parte = descodificar_parte($partes_texto[0], $partes_texto[1]);
$parte .= descodificar_parte($partes_texto[3], $partes_texto[2]);
} else {
$parte = $texto;
}
if (strtoupper($partes_texto[1]) == "UTF-8"){ $parte = utf8_decode($parte);}
$resultado .= $parte;
}
$cabecalho = $resultado;
}
return trim($cabecalho);
}
function descodificar_parte($texto, $codificacao){
if (trim($texto) == ""){ return "";}
if (ucfirst($codificacao) == "B"){
$texto = base64_decode($texto);
$texto = htmlspecialchars($texto);
} else if (ucfirst($codificacao) == "Q"){
$texto = str_replace("_", " ", $texto);
$texto = quoted_printable_decode($texto);
}
return $texto;
}
?>
oersoep at gmail dot com ¶
16 years ago
Please keep in mind that the "parameters" array is a stdClass object when there are no parameters, and NOT a zero-size array.
In PHP5 you'll get this error when iterating structure->parts[x]->parameters if there aren't any parameters for this part:
PHP Fatal error: Cannot use object of type stdClass as array in file.php on line 100
spam at emielmols dot info ¶
17 years ago
I've created a function which simply extracts basic message content as a string ($content) and attachments as an array ($attachments). I've tested it with messages from Outlook, Outlook Express and Hotmail. Perhaps it's useful to anyone.
<?php
$struct = imap_fetchstructure($mbox, $mid);
$parts = $struct->parts;
$i = 0;
if (!$parts) { /* Simple message, only 1 piece */
$attachment = array(); /* No attachments */
$content = imap_body($mbox, $mid);
} else { /* Complicated message, multiple parts */
$endwhile = false;
$stack = array(); /* Stack while parsing message */
$content = ""; /* Content of message */
$attachment = array(); /* Attachments */
while (!$endwhile) {
if (!$parts[$i]) {
if (count($stack) > 0) {
$parts = $stack[count($stack)-1]["p"];
$i = $stack[count($stack)-1]["i"] + 1;
array_pop($stack);
} else {
$endwhile = true;
}
}
if (!$endwhile) {
/* Create message part first (example '1.2.3') */
$partstring = "";
foreach ($stack as $s) {
$partstring .= ($s["i"]+1) . ".";
}
$partstring .= ($i+1);
if (strtoupper($parts[$i]->disposition) == "ATTACHMENT") { /* Attachment */
$attachment[] = array("filename" => $parts[$i]->parameters[0]->value,
"filedata" => imap_fetchbody($mbox, $mid, $partstring));
} elseif (strtoupper($parts[$i]->subtype) == "PLAIN") { /* Message */
$content .= imap_fetchbody($mbox, $mid, $partstring);
}
}
if ($parts[$i]->parts) {
$stack[] = array("p" => $parts, "i" => $i);
$parts = $parts[$i]->parts;
$i = 0;
} else {
$i++;
}
} /* while */
} /* complicated message */
echo "Analyzed message $mid, result: <br />";
echo "Content: $content<br /><br />";
echo "Attachments:"; print_r ($attachment);
?>
passeniermaxime at hotmail dot com ¶
18 years ago
I have written a code that check's for attachments.
There is a slight problem with the above code;
when you send a mail with a .txt document as attachment
the type will be 0 and so there won't be a attachment found.
I check for the disposition of the body part witch can be inline or attachment.
If this is an attachment he will display it.
You an also mix up both codes by checking on the type and the disposition.
//////////////////////////////////
/// $mbox = connection
/// $a_mails_sort[$i] = message id
$structuur = imap_fetchstructure($mbox,$a_mails_sort[$i]);
$bericht_delen=$structuur->parts;
for($i_delen = 0; $i_delen<=count($bericht_delen);$i_delen++)
{
if($bericht_delen[$i_delen]->disposition == "attachment")
{
$attachment = "OK";
}// end if
}//end for
paradise at ml75 dot com ¶
19 years ago
I'm using freeBSD and had lots of problems with all functions/mail applications i could find on the net...
So i'm writing my own now..
Most of the stuff works fine now.. but i'm still working on the chooser to select the best part to show. (plain or HTML).
The #1 problem is that most functions give the wrong ID numbers beck to fetch the body.
Here's a sollution to that problem.. :P
// Debug function.. always handy until it's 100% completed..
$attachments = array(); $dispos=0;
$debug=true;
function doDebug($msg){
global $debug, $debug_depth, $dispos;
if($debug){
for($y = 0; $y < $debug_depth; $y++) echo(" ");
if($dispos == 0) echo($msg."<br/>"); else echo("<i>".$msg."</i><br/>");
}
}
function Check_Part($part,$id){
global $attachments, $debug, $debug_depth, $dispos; $ans=sizeof($attachments);
doDebug("+Checking part $id");
$debug_depth++;
doDebug("Parttype=".$part->type ."/". mimetype($part->type) ."/". $part->subtype);
if($part->ifdisposition){ $dispos++; doDebug("<b>Disposition</b>"); }
if($part->ifdescription){ doDebug("<b>Description=".$part->description."</b>"); }
switch($part->type){
case 1: if((strtolower($part->subtype) == "mixed")
or (strtolower($part->subtype) == "alternative")
or (strtolower($part->subtype) == "related")) break;
default: $an = sizeof($attachments);
if($part->ifdparameters){
$dpara = $part->dparameters;
for ($v=0;$v<sizeof($dpara);$v++){
if (eregi("filename", $dpara[$v]->attribute))
$fname = $dpara[$v]->value;}
}
if($part->ifparameters){
if(empty($fname)){
$para = $part->parameters;
for ($v=0;$v<sizeof($para);$v++){
if (eregi("name", $para[$v]->attribute)) $fname = $para[$v]->value;
}
}
}
if(empty($fname))$fname = "Onbekend";
$attachments[$an]->id = ($an+1);
$attachments[$an]->part = $id;
$attachments[$an]->filename = $fname;
$attachments[$an]->type=$part->type;
$attachments[$an]->subtype=$part->subtype;
$attachments[$an]->dispos=$dispos;
$attachments[$an]->size=$part->bytes;
doDebug("Filename=".$attachments[$an]->filename); break;
}
for($x = 0; $x < count($part->parts); $x++){
Check_Part($part->parts[$x], $id.".".($x+1));
}
doDebug("Dit deel had iets nuttigs.");
if($part->ifdisposition) $dispos--;
$debug_depth--;
doDebug("-End of part $id");
}
function decode_mail($mbox, $msg){
global $attachments, $debug, $debug_depth;
doDebug("+Decoding message $msg"); $debug_depth++;
$obj = imap_fetchstructure($mbox, $msg, FT_UID); $moet_werken=true; $id=1;
while($moet_werken){
Check_Part($obj, $id);
$moet_werken=false;
}
$debug_depth--; doDebug("-End of message $msg");
}
Now to get this to work..
Decode_Mail([Mailbox connection], [Message Number]);
this is the outpu attachment array..
1--1.1.1--Onbekend--0--PLAIN--0--31
2--1.1.2--Onbekend--0--HTML--0--29
3--1.2--Beschrijving Nieuw E.doc--3--MSWORD--1--613718
--------------------------------------
PS.. "Onbekend" is dutch for "Unknown".
Good luck.
Paradise (www.ml75.nl)
vksgeneric at hotmail dot com ¶
22 years ago
It looks like some clients (e.g. outlook) can attach a file that has two mime-types associated with it, like:
Content-Type: model/vrml,x-world/x-vrml
This bombs the parsing procedure somewhere in c-client, I guess, and as a result ifparameters is set to false for the respective part, and you can not retrieve filename, mimetype, or any other parameters.
hans at lintoo dot dk ¶
16 years ago
A class for searching through a stucture object.
You can search matching 1-3 parameters or use the methods included.
Feel free to use it, correct it or extend it if you please. Enjoy!
http://lintoo.dk/public/structureengine.class.phps
The code was too wide for this manual, so I hope the link above will do. Here a quick overview instead:
<?php
class StructureEngine {
private $structureObject;
public function __construct($structureInfo) {}
public function locatePlain() {}
public function locateHTML() {}
public function locateAttachments() {}
private function checkParam($part, $type, $value) {}
private function findParts($partsArray, $prefix, $param1Type = 'type', $param1Value = 0, $param2Type = null, ...) {}
}
?>
Anonymous ¶
9 years ago
I improved the code from this post (
http://www.php.net/manual/en/function.imap-fetchstructure.php#51497) a bit, now it handles multi embedded email correctly, and gives you a content with not marking character, like the '=' (soft line break).
<?php
//return is structured as
// $mail = array ( 'body' => ...
// 'attachment' => array() );
function _get_body_attach($mbox, $mid) {
$struct = imap_fetchstructure($mbox, $mid);
$parts = $struct->parts;
$i = 0;
if (!$parts) { /* Simple message, only 1 piece */
$attachment = array(); /* No attachments */
$content = imap_body($mbox, $mid);
} else { /* Complicated message, multiple parts */
$endwhile = false;
$stack = array(); /* Stack while parsing message */
$content = ""; /* Content of message */
$attachment = array(); /* Attachments */
while (!$endwhile) {
if (!$parts[$i]) {
if (count($stack) > 0) {
$parts = $stack[count($stack)-1]["p"];
$i = $stack[count($stack)-1]["i"] + 1;
array_pop($stack);
} else {
$endwhile = true;
}
}
if (!$endwhile) {
/* Create message part first (example '1.2.3') */
$partstring = "";
foreach ($stack as $s) {
$partstring .= ($s["i"]+1) . ".";
}
$partstring .= ($i+1);
if (strtoupper($parts[$i]->disposition) == "ATTACHMENT" || strtoupper($parts[$i]->disposition) == "INLINE") { /* Attachment or inline images */
$filedata = imap_fetchbody($mbox, $mid, $partstring);
if ( $filedata != '' ) {
// handles base64 encoding or plain text
$decoded_data = base64_decode($filedata);
if ( $decoded_data == false ) {
$attachment[] = array("filename" => $parts[$i]->parameters[0]->value,
"filedata" => $filedata);
} else {
$attachment[] = array("filename" => $parts[$i]->parameters[0]->value,
"filedata" => $decoded_data);
}
}
} elseif (strtoupper($parts[$i]->subtype) == "PLAIN" && strtoupper($parts[$i+1]->subtype) != "HTML") { /* plain text message */
$content .= imap_fetchbody($mbox, $mid, $partstring);
} elseif ( strtoupper($parts[$i]->subtype) == "HTML" ) {
/* HTML message takes priority */
$content .= imap_fetchbody($mbox, $mid, $partstring);
}
}
if ($parts[$i]->parts) {
if ( $parts[$i]->subtype != 'RELATED' ) {
// a glitch: embedded email message have one additional stack in the structure with subtype 'RELATED', but this stack is not present when using imap_fetchbody() to fetch parts.
$stack[] = array("p" => $parts, "i" => $i);
}
$parts = $parts[$i]->parts;
$i = 0;
} else {
$i++;
}
} /* while */
} /* complicated message */
$ret = array();
$ret['body'] = quoted_printable_decode($content);
$ret['attachment'] = $attachment;
return $ret;
}
?>
richy at smilingsouls dot net ¶
18 years ago
After many long hours of pouring over the object returned by imap_fetchstructure() I came up with the solution posted at the following url:
http://p2p.wrox.com/topic.asp?TOPIC_ID=9063
The url above provides an example of how to access variables in the object returned by imap_fetchstructure(). This class creates an object with member variables containing the correct part numbers which are compatible with the imap_fetchbody() function.
The structure returned looks something like this:
0 Raw Headers
$this->pid[$mid][0] = 1 text/plain top level message
$this->pid[$mid][1] = 2 message/rfc822 entire unparsed message
multipart/mixed - part is skipped!
2.0 Raw Headers
$this->pid[$mid][2] = 2.1 multipart/alternative contains unparsed contents of next subpart (text/plain && text/html)
2.1.0 Raw Headers
$this->pid[$mid][3] = 2.1.1 text/plain 2nd level inline embedded message
$this->pid[$mid][4] = 2.1.2 text/html
$this->pid[$mid][5] = 2.2 message/rfc822 entire unparsed message
multipart/mixed - part is skipped!
2.2.0 Raw Headers
$this->pid[$mid][6] = 2.2.1 multipart/alternative
$this->pid[$mid][7] = 2.2.1.1 text/plain 3rd level inline embedded message
$this->pid[$mid][8] = 2.2.1.2 text/html
$this->pid[$mid][9] = 2.2.2 image/jpeg
$this->pid[$mid][10] = 2.2.3 image/jpeg
$this->pid[$mid][11] = 2.2.4 image/jpeg
$this->pid[$mid][12] = 2.2.5 image/gif
Its important to note why multipart/related, multipart/mixed and certain multipart/alternative (if parent part is message/rfc822 && not multipart/mixed) parts are skipped, imap_fetchbody **does not** retreive a message part for these parts. Which isn't a bug, as I have read in other places, these parts exist for the purpose of designing the viewer portion of a mail application. Also, headers aren't assigned part numbers here because they are easy to pick out.
: )
Rich
官方地址：https://www.php.net/manual/en/function.imap-fetchstructure.php
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