PHP

Set a MIME Body, Preserving Content Headers

Demonstrates the Chilkat Mime.SetBody method, which sets the current part's body while preserving the existing content headers (Content-Type, charset, Content-Transfer-Encoding). The only argument is the body text; it is a void method.

Background: Unlike the SetBodyFrom... methods, which set both the content and the headers that describe it, SetBody replaces only the body text and leaves the existing Content-Type and encoding in place. That is what you want when the media type is already correct and you simply need to swap in new content — updating a templated part, for instance — without re-declaring its type.

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<?php

use Chilkat2\Mime;

// Demonstrates the Mime.SetBody method, which sets the current part's body while preserving the
// existing content headers (Content-Type, charset, Content-Transfer-Encoding).  The only argument
// is the body text.  It is a void method.

$mime = new Mime();

// Establish the content headers first.
try {
    $mime->SetBodyFromPlainText('initial');

    // Replace just the body text, keeping the existing Content-Type and encoding.
    $mime->SetBody('This is the replacement body text.');

    $mimeText = $mime->GetMime();
} catch (\Chilkat2\Exception $e) {
    echo $e->getMessage(), "\n";
    exit;
}

echo $mimeText, "\n";