- %1$s is private and should not be used in themes or plugins directly.
_get_non_cached_ids ( $object_ids, $cache_key )
- (int) $object_ids Array of IDs.
- (string) $cache_key The cache bucket to check against.
- (int) Array of IDs not present in the cache.
- Introduced in WordPress: 3.4.0
- Deprecated in WordPress: —
Retrieve IDs that are not already present in the cache.