PHP ActiveX

Fetch a Set of POP3 Messages by UIDL

Demonstrates the Chilkat MailMan.FetchUidlSet method, which retrieves the messages whose UIDLs are listed in a StringTable and appends them to an EmailBundle. The arguments are the UIDL StringTable, headersOnly, numBodyLines, and the EmailBundle. This example fetches two specific messages by UIDL.

Background: This is the efficient way to download a selected subset of a mailbox in one call — exactly the pattern for an incremental client: list the mailbox UIDLs, compare against the ones you've already stored, and fetch only the new UIDLs as a set. It avoids re-downloading messages you already have while still pulling everything new in a single operation.

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<?php

$success = 0;

//  Demonstrates the MailMan.FetchUidlSet method, which retrieves the messages whose UIDLs are
//  listed in a StringTable and appends them to an EmailBundle.  The arguments are the UIDL
//  StringTable, headersOnly, numBodyLines, and the EmailBundle.  The messages remain on the
//  server.

$mailman = new COM("Chilkat.MailMan");

//  Configure the POP3 server connection.
$mailman->MailHost = 'pop.example.com';
$mailman->MailPort = 995;
$mailman->PopSsl = 1;
$mailman->PopUsername = 'user@example.com';
$mailman->PopPassword = 'myPassword';

//  Build the set of UIDLs to fetch.
$uidls = new COM("Chilkat.StringTable");
$uidls->Append('0000000123abcdef');
$uidls->Append('0000000124abcdef');

//  Fetch the listed messages (full bodies) into a bundle.
//  headersOnly=ckfalse (fetch the entire message).
//  Note: numBodyLines only applies when headersOnly is 1 (it sets how many lines of the
//  body to include along with the headers).  When headersOnly is 0, the entire message
//  is fetched and numBodyLines is ignored.
$bundle = new COM("Chilkat.EmailBundle");

$success = $mailman->FetchUidlSet($uidls,0,0,$bundle);
if ($success == 0) {
    print $mailman->LastErrorText . "\n";
    exit;
}

$n = $bundle->MessageCount;
print 'Fetched ' . $n . ' messages.' . "\n";

$email = new COM("Chilkat.Email");

for ($i = 0; $i <= $n - 1; $i++) {
    $success = $bundle->EmailAt($i,$email);
    print $email->Subject . "\n";
}

//  Note: Explicitly connecting/authenticating is optional.  Chilkat MailMan automatically
//  connects and authenticates -- using the property settings above -- whenever a server
//  operation requires it.  Calling the explicit connect/authenticate methods can still be
//  helpful to determine whether a failure occurs while connecting or while authenticating.

?>