public function BackendChain::deleteExpired

Implements Drupal\Core\Cache\CacheBackendInterface::expire().

Overrides CacheBackendInterface::deleteExpired

File

drupal/core/lib/Drupal/Core/Cache/BackendChain.php, line 171

Definition of Drupal\Core\Cache\BackendChain.

Class

BackendChain

Defines a chained cache implementation for combining multiple cache backends.

Namespace

Code

public function deleteExpired() {
  foreach ($this->backends as $backend) {
    $backend
      ->deleteExpired();
  }
}