wp_cache_get()

wp_cache_get() — Retrieves the cache contents from the cache by key and group.

Inputs: $key (int|string): The key under which the cache contents are stored. $group (string): Optional. Where the cache contents are grouped. Default empty. $force (bool): Optional. Whether to force an update of the local cache from the persistent cache. Default false. $found (bool|null): Optional. Whether the key was found in the cache (passed by reference). Disambiguates a return of false, a storable value. Default null.

Returns mixed|false: The cache contents on success, false on failure to retrieve contents.