Swift_Mime_SimpleMessage::embed PHP Method

This method should be used when embedding images or other data in a message.

public embed ( Swift_Mime_MimeEntity $entity ) : string
$entity	Swift_Mime_MimeEntity
return	string

    public function embed(Swift_Mime_MimeEntity $entity)
    {
        $this->attach($entity);
        return 'cid:' . $entity->getId();
    }

Swift_Mime_SimpleMessage