/**
* Format and fix headers
*
* mail() uses its $to and $subject arguments to set the To: and Subject:
* headers, respectively. This method strips those out as a sanity check to
* prevent duplicate header entries.
*
* @access protected
* @param array $headers
* @return void
* @throws \Zend\Mail\Transport\Exception
*/
protected function _prepareHeaders($headers)
{
if (!$this->_mail) {
throw new Exception('_prepareHeaders requires a registered \\Zend\\Mail\\Mail object');
}
// mail() uses its $to parameter to set the To: header, and the $subject
// parameter to set the Subject: header. We need to strip them out.
if (0 === strpos(PHP_OS, 'WIN')) {
// If the current recipients list is empty, throw an error
if (empty($this->recipients)) {
throw new Exception('Missing To addresses');
}
} else {
// All others, simply grab the recipients and unset the To: header
if (!isset($headers['To'])) {
throw new Exception('Missing To header');
}
unset($headers['To']['append']);
$this->recipients = implode(',', $headers['To']);
}
// Remove recipient header
unset($headers['To']);
// Remove subject header, if present
if (isset($headers['Subject'])) {
unset($headers['Subject']);
}
// Prepare headers
parent::_prepareHeaders($headers);
// Fix issue with empty blank line ontop when using Sendmail Trnasport
$this->header = rtrim($this->header);
}
/**
* Format and fix headers
*
* Some SMTP servers do not strip BCC headers. Most clients do it themselves as do we.
*
* @access protected
* @param array $headers
* @return void
* @throws \Zend\Transport\Exception
*/
protected function _prepareHeaders($headers)
{
if (!$this->_mail) {
throw new Exception('_prepareHeaders requires a registered \\Zend\\Mail\\Mail object');
}
unset($headers['Bcc']);
// Prepare headers
parent::_prepareHeaders($headers);
}