Swift_Message::saveHeaders PHP Method

saveHeaders() protected method

save the original headers.
protected saveHeaders ( array $altered )
$altered array
    protected function saveHeaders(array $altered)
    {
        foreach ($altered as $head) {
            $lc = strtolower($head);
            if (!isset($this->savedMessage['headers'][$lc])) {
                $this->savedMessage['headers'][$lc] = $this->getHeaders()->getAll($head);
            }
        }
    }