function SystemTestController::setHeader

Sets a header.

File

core/modules/system/tests/modules/system_test/src/Controller/SystemTestController.php, line 301

Class

SystemTestController

Controller routines for system_test routes.

Namespace

Code

public function setHeader(Request $request) {
  $query = $request->query
    ->all();
  $response = new CacheableResponse();
  $response->headers
    ->set($query['name'], $query['value']);
  $response->getCacheableMetadata()
    ->addCacheContexts([
    'url.query_args:name',
    'url.query_args:value',
  ]);
  $response->setContent((string) $this->t('The following header was set: %name: %value', [
    '%name' => $query['name'],
    '%value' => $query['value'],
  ]));
  return $response;
}