/**
* Wrap an unstructured header line
*
* Wrap at 78 characters or before, based on whitespace.
*
* @param string $value
* @param HeaderInterface $header
* @return string
*/
protected static function wrapUnstructuredHeader($value, HeaderInterface $header)
{
$encoding = $header->getEncoding();
if ($encoding == 'ASCII') {
return wordwrap($value, 78, Headers::FOLDING);
}
return static::mimeEncodeValue($value, $encoding, 78);
}
/**
* Add a Header\Interface to this container, for raw values see {@link addHeaderLine()} and {@link addHeaders()}
*
* @param Header\HeaderInterface $header
* @return Headers
*/
public function addHeader(Header\HeaderInterface $header)
{
$key = $this->normalizeFieldName($header->getFieldName());
$this->headersKeys[] = $key;
$this->headers[] = $header;
if ($this->getEncoding() !== 'ASCII') {
$header->setEncoding($this->getEncoding());
}
return $this;
}
