Cache.php
public function get($key)
    {
        if ($this->isSafe() && !empty($key)) {
            return $this->client->get($key);
        }

        return false;
    }
public function get($key)
    {
        if ($this->isSafe() && !empty($key)) {
            return $this->client->get($key);
        }

        return false;
    }
Retrieve a value from the cache using the provided key

@param string|array $key The unique key or array of keys identifying the data to be retrieved.
@access public
@return mixed The requested data, or false if there is an error