PHP ActiveX

Set the Content-Disposition of an Attachment

Demonstrates the Chilkat Email.SetAttachmentDisposition method, which sets the Content-Disposition value for the attachment at a given zero-based index. The default disposition is attachment. This example changes an attachment's disposition to inline.

Background: The Content-Disposition header hints how a client should present a part: attachment means "offer it as a download," while inline means "display it within the message" (as an email client does with an embedded image). Setting it lets you control that behavior — though clients ultimately decide how to honor the hint.

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<?php

$success = 0;

//  Demonstrates the SetAttachmentDisposition method, which sets the Content-Disposition
//  value for the attachment at the given zero-based index.  The default disposition is
//  "attachment".

$email = new COM("Chilkat.Email");
$email->Subject = 'Set attachment disposition';

$email->AddStringAttachment('image.txt','(pretend inline content)');

//  Set the disposition of the first attachment (index 0) to "inline".
$success = $email->SetAttachmentDisposition(0,'inline');
if ($success == 0) {
    print $email->LastErrorText . "\n";
    exit;
}

//  The attachment's Content-Disposition is now "inline".
print $email->getMime() . "\n";

?>