PHP

Create a multipart/related MIME Entity

Demonstrates the Chilkat Mime.NewMultipartRelated method, which initializes the object as an empty multipart/related entity. It takes no arguments; the primary part and its related resources are then appended.

Note: The file paths are relative to the application's current working directory. Absolute paths may also be used. Supply the paths appropriate to your own environment.

Background: multipart/related ties a primary part to the resources it references — most commonly an HTML body and the inline images it embeds via cid: references. Unlike a plain attachment, a related image is displayed within the message rather than listed separately. The HTML part comes first, followed by each referenced resource with a matching Content-ID.

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<?php

use Chilkat2\Mime;

// Demonstrates the Mime.NewMultipartRelated method, which initializes the object as an empty
// multipart/related entity, clearing any existing content.  It takes no arguments.

$mime = new Mime();

try {
    $mime->NewMultipartRelated();

    // multipart/related groups a primary part with the resources it references, such as an HTML body
    // and the inline images it displays.
    $htmlPart = new Mime();
    $htmlPart->SetBodyFromHtml('<html><body><img src="cid:logo"></body></html>');

    $mime->AppendPart($htmlPart);

    $mime->AppendPartFromFile('qa_data/logo.png');
} catch (\Chilkat2\Exception $e) {
    echo $e->getMessage(), "\n";
    exit;
}

echo 'Number of parts: ', $mime->NumParts, "\n";