class SiteCacheContext

Defines the SiteCacheContext service, for "per site" caching.

Cache context ID: 'url.site'.

A "site" is defined as the combination of URI scheme, domain name, port and base path. It allows for varying between the *same* site being accessed via different entry points. (Different sites in a multisite setup have separate databases.) For example: http://example.com and http://www.example.com.

Hierarchy

• class \Drupal\Core\Cache\Context\RequestStackCacheContextBase
  • class \Drupal\Core\Cache\Context\SiteCacheContext extends \Drupal\Core\Cache\Context\CacheContextInterface implements \Drupal\Core\Cache\Context\RequestStackCacheContextBase

Expanded class hierarchy of SiteCacheContext

See also

\Symfony\Component\HttpFoundation\Request::getSchemeAndHttpHost()

\Symfony\Component\HttpFoundation\Request::getBaseUrl()

File

core/lib/Drupal/Core/Cache/Context/SiteCacheContext.php, line 20

Namespace

class SiteCacheContext extends RequestStackCacheContextBase implements CacheContextInterface {
  
  /**
   * {@inheritdoc}
   */
  public static function getLabel() {
    return t('Site');
  }
  
  /**
   * {@inheritdoc}
   */
  public function getContext() {
    $request = $this->requestStack
      ->getCurrentRequest();
    return $request->getSchemeAndHttpHost() . $request->getBaseUrl();
  }
  
  /**
   * {@inheritdoc}
   */
  public function getCacheableMetadata() {
    return new CacheableMetadata();
  }

}