function DrupalCacheInterface::isEmpty
| 7.x cache.inc | DrupalCacheInterface::isEmpty() |
Checks if a cache bin is empty.
A cache bin is considered empty if it does not contain any valid data for any cache ID.
Return value
TRUE if the cache bin specified is empty.
1 method overrides DrupalCacheInterface::isEmpty()
- DrupalDatabaseCache::isEmpty in drupal-7.x/
includes/ cache.inc - Implements DrupalCacheInterface::isEmpty().
File
- drupal-7.x/
includes/ cache.inc, line 298 - Functions and interfaces for cache handling.
Class
- DrupalCacheInterface
- Defines an interface for cache implementations.
Code
function isEmpty();