function DynamicPageCacheSubscriber::getSubscribedEvents

File

core/modules/dynamic_page_cache/src/EventSubscriber/DynamicPageCacheSubscriber.php, line 281

Class

DynamicPageCacheSubscriber

Returns cached responses as early and avoiding as much work as possible.

Namespace

Code

public static function getSubscribedEvents() : array {
  $events = [];
  // Run after AuthenticationSubscriber (necessary for the 'user' cache
  // context; priority 300) and MaintenanceModeSubscriber (Dynamic Page Cache
  // should not be polluted by maintenance mode-specific behavior; priority
  // 30), but before ContentControllerSubscriber (updates _controller, but
  // that is a no-op when Dynamic Page Cache runs; priority 25).
  $events[KernelEvents::REQUEST][] = [
    'onRequest',
    27,
  ];
  // Run before:
  // * HtmlResponseSubscriber::onRespond(), which has priority 0.
  // * AnonymousUserResponseSubscriber::onRespond(). which has priority 5,
  // and it bubbles up cacheability information for anonymous users.
  // Run after:
  // * RouteAccessResponseSubscriber::onRespond() which has priority 10, and
  // it adds cacheability information from the access result returned by
  // the route access checker.
  $events[KernelEvents::RESPONSE][] = [
    'onResponse',
    7,
  ];
  return $events;
}