src/Lazy.php
public function fetch($id)
    {
        $id = $this->getCompletedCacheIdIfValid($id);

        return $this->backend->doFetch($id);
    }
public function fetch($id)
    {
        $id = $this->getCompletedCacheIdIfValid($id);

        return $this->backend->doFetch($id);
    }
Fetches an entry from the cache.

@param string $id The cache id.
@return mixed The cached data or FALSE, if no cache entry exists for the given id.