/** * Create a new basic text header with $name and $value. * @param string $name * @param string $value * @return Swift_Mime_Header */ public function createTextHeader($name, $value = null) { $header = new Swift_Mime_Headers_UnstructuredHeader($name, $this->_encoder); if (isset($value)) { $header->setFieldBodyModel($value); } $this->_setHeaderCharset($header); return $header; }