public function BackdropDatabaseCache::garbageCollection

Implements BackdropCacheInterface::garbageCollection().

Overrides BackdropCacheInterface::garbageCollection

File

core/includes/cache.inc, line 594

Functions and interfaces for cache handling.

Class

BackdropDatabaseCache

Defines a default cache implementation.

Code

public function garbageCollection() {
  db_delete($this->bin)
    ->condition('expire', CACHE_PERMANENT, '<>')
    ->condition('expire', REQUEST_TIME, '<')
    ->execute();
}