Tests if an entry exists in the cache.
abstract protected doContains ( string $id ) : boolean | ||
$id | string | The cache id of the entry to check for. |
return | boolean | TRUE if a cache entry exists for the given cache id, FALSE otherwise. |
abstract protected doContains ( string $id ) : boolean | ||
$id | string | The cache id of the entry to check for. |
return | boolean | TRUE if a cache entry exists for the given cache id, FALSE otherwise. |