function DrupalCacheInterface::isEmpty
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.
File
- includes/cache.inc, line 303
- Functions and interfaces for cache handling.
Class
- DrupalCacheInterface
- Defines an interface for cache implementations.
Code
function isEmpty();
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Licensed under the GNU General Public License, version 2 and later.
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https://api.drupal.org/api/drupal/includes!cache.inc/function/DrupalCacheInterface::isEmpty/7.x