/**
* Fetches a cookie.
*
* @param string $key
*
* @return CookieInterface
*/
public function fetch(string $key) : CookieInterface
{
$properties = $this->collection->fetch($key, null);
if (!$properties) {
throw new UndefinedCookieException("Cannot fetch cookie: {$key}");
}
return new Cookie($key, $properties['value']);
}
private function processContentLength()
{
$length = strlen($this->content());
if (!$this->headers->has('Content-Length') || $this->headers->fetch('Content-Length') != $length) {
$this->headers->write('Content-Length', $length);
}
}
