PHP ActiveX

Get a Digest Message as an Email Object

Demonstrates the Chilkat Email.GetDigestEmail method, which copies the Nth digest email contained within a multipart/digest into another Email object. The first digest is at index 0; the NumDigests property gives the count. This example loads a digest email and lists each bundled message's subject.

Background: A multipart/digest packs many separate emails into one carrier message — historically used by mailing lists to send a single daily bundle of that day's posts. GetDigestEmail unpacks each member into a full Email object so it can be read or processed individually. This differs from GetAttachedEmail, which extracts messages attached to an ordinary email rather than the members of a digest.

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<?php

$success = 0;

//  Demonstrates the GetDigestEmail method, which copies the Nth digest email contained
//  within a multipart/digest into another Email object.  The first digest is at index 0;
//  use the NumDigests property for the count.

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

$success = $email->LoadEml('qa_data/eml/digest.eml');
if ($success == 0) {
    print $email->LastErrorText . "\n";
    exit;
}

$n = $email->NumDigests;
print 'NumDigests = ' . $n . "\n";

//  Retrieve each bundled message as its own Email object.
$digestEmail = new COM("Chilkat.Email");

for ($i = 0; $i <= $n - 1; $i++) {
    $success = $email->GetDigestEmail($i,$digestEmail);
    print 'Digest ' . $i . ' subject: ' . $digestEmail->Subject . "\n";
}

//  Note: The path "qa_data/..." is a relative local filesystem path,
//  relative to the current working directory of the running application.

?>