Adding new Headers

New headers can be added to the HeaderSet by using one of the provided add..Header() methods.

To add a header to a MIME entity (such as the message):

Get the HeaderSet from the entity by via its getHeaders() method.
Add the header to the HeaderSet by calling one of the add..Header() methods described in Header Types.

The added header will appear in the message when it is sent.


//Adding a custom header to a message
$message = Swift_Message::newInstance();
$headers = $message->getHeaders();
$headers->addTextHeader('X-Mine', 'something here');

//Adding a custom header to an attachment
$attachment = Swift_Attachment::fromPath('/path/to/doc.pdf');
$attachment->getHeaders()->addDateHeader('X-Created-Time', time());

Parent topic: Header Operations

Next topic: Retrieving Headers