public function Response::getVary

Same name in this branch
  1. 8.x drupal/core/vendor/guzzle/http/Guzzle/Http/Message/Response.php \Guzzle\Http\Message\Response::getVary()
  2. 8.x drupal/core/vendor/symfony/http-foundation/Symfony/Component/HttpFoundation/Response.php \Symfony\Component\HttpFoundation\Response::getVary()

Get the Vary HTTP header

Return value

string|null Tells downstream proxies how to match future request headers to decide whether the cached response can be used rather than requesting a fresh one from the origin server.

File

drupal/core/vendor/guzzle/http/Guzzle/Http/Message/Response.php, line 683

Class

Response
Guzzle HTTP response object

Namespace

Guzzle\Http\Message

Code

public function getVary() {
  return $this
    ->getHeader('Vary', true);
}