Gets a list of cache key items that will be added to other cache key items used to generate the cache key.
# S3 method for FileCacheKeyInterface
getCacheKey(this, ...)Additional named arguments to be appended to the list of key items.
Returns a list of cache items.
The default list of cache key items are:
the class name of the object as a character string.
the file name (aka the basename) as a character string.
the file size as a numeric scalar.
the file checksum as a character string.
Classes extending/implementing this Interface may override
these items.
For more information see FileCacheKeyInterface.