/**
* Generate suitable ETag for content
*
* This function generates the necessary cache headers for using ETags with dynamic content. You
* simply have to generate the ETag, pass it in, and the function handles the rest.
*
* @param string $etag ETag to use for this content.
* @param int $cache_age age in seconds for Cache-control max-age header
* @return bool Did we have a match?
*/
public function generateETagHeader($etag, $cache_age = null)
{
if (empty($this->response)) {
return false;
}
return $this->response->generateETagHeader($etag, $cache_age);
}
