PHP ActiveX

Get an Alternative Body into a BinData

Demonstrates the Chilkat Email.GetAlternativeBodyBd method, which copies the contents of the Nth alternative body into a BinData object. The first alternative body is at index 0, and it should only be called when NumAlternatives is greater than 0. This example builds a message with plain-text and HTML alternatives and copies the first into a BinData.

Background: This is the binary counterpart to GetAlternativeBody (which returns text). Reading an alternative into a BinData preserves the exact bytes — important when a body part uses a binary or unusual transfer encoding, or when you intend to hash it or write it out verbatim rather than decode it to a string.

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<?php

$success = 0;

//  Demonstrates the GetAlternativeBodyBd method, which copies the contents of the Nth
//  alternative body into a BinData object.  The first alternative body is at index 0; call
//  only when NumAlternatives is greater than 0.

$email = new COM("Chilkat.Email");
$email->Subject = 'GetAlternativeBodyBd example';

$email->SetTextBody('This is the plain-text alternative.','text/plain');
$email->AddHtmlAlternativeBody('<html><body>This is the HTML alternative.</body></html>');

//  Copy the first alternative body (index 0) into a BinData object.
$bd = new COM("Chilkat.BinData");

$success = $email->GetAlternativeBodyBd(0,$bd);
if ($success == 0) {
    print $email->LastErrorText . "\n";
    exit;
}

print 'Alternative 0 size (bytes) = ' . $bd->NumBytes . "\n";

?>