public function BackendChain::garbageCollection in Drupal 9

Same name and namespace in other branches

1. 8 core/lib/Drupal/Core/Cache/BackendChain.php \Drupal\Core\Cache\BackendChain::garbageCollection()

Performs garbage collection on a cache bin.

The backend may choose to delete expired or invalidated items.

Overrides CacheBackendInterface::garbageCollection

File

core/lib/Drupal/Core/Cache/BackendChain.php, line 199

Class

BackendChain

Defines a chained cache implementation for combining multiple cache backends.

Namespace

Drupal\Core\Cache

Code

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