/**
* Clone Message Signers.
*
* @see Swift_Mime_SimpleMimeEntity::__clone()
*/
public function __clone()
{
parent::__clone();
foreach ($this->bodySigners as $key => $bodySigner) {
$this->bodySigners[$key] = clone $bodySigner;
}
foreach ($this->headerSigners as $key => $headerSigner) {
$this->headerSigners[$key] = clone $headerSigner;
}
}
/**
* Write this message to a {@link Swift_InputByteStream}.
*
* @param Swift_InputByteStream $is
*/
public function toByteStream(Swift_InputByteStream $is)
{
if (empty($this->headerSigners) && empty($this->bodySigners)) {
parent::toByteStream($is);
return;
}
$this->saveMessage();
$this->doSign();
parent::toByteStream($is);
$this->restoreMessage();
}
