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;
}