PHP

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

use Chilkat2\Email;

// 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 Email();

try {
    $email->LoadEml('qa_data/eml/digest.eml');
} catch (\Chilkat2\Exception $e) {
    echo $e->getMessage(), "\n";
    exit;
}

$n = $email->NumDigests;
echo 'NumDigests = ', $n, "\n";

// Retrieve each bundled message as its own Email object.
$digestEmail = new Email();
for ($i = 0; $i < $n; $i++) {
    $email->GetDigestEmail($i, $digestEmail);
    echo '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.