function 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

Code

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