Used for cache stuff
PSR-16 - Simple Cache
To add support for PSR-16 Simple Cache, require the PSR.
All Adapters implement
PSR-16 Simple Cache Wrapper
Setting up a multi layer cache
ChainAdapter will read from all pools and return the first result it
finds. So in the above example, if the cache item is not found in
ArrayAdapter, it will look for it in the
ChainAdapter will also write to and delete from all pools.