public function get($key) {
        $used_key = $this->getUsedKey($key);
        $res = $this->redis->get($used_key);
        if ($res === null)
            return false;
        $res = $this->unesc($res);
        if (is_array($key)) {
            return array_combine($key, $res);
        }
        else {
            return $res;
        }
    }
public function get($key) {
        $used_key = $this->getUsedKey($key);
        $res = $this->redis->get($used_key);
        if ($res === null)
            return false;
        $res = $this->unesc($res);
        if (is_array($key)) {
            return array_combine($key, $res);
        }
        else {
            return $res;
        }
    }
public function get ( $ key ) { $ used_key = $ this -> getUsedKey ( $ key ) ; $ res = $ this -> redis -> get ( $ used_key ) ; if ( $ res === null ) return false ; $ res = $ this -> unesc ( $ res ) ; if ( is_array ( $ key ) ) { return array_combine ( $ key , $ res ) ; } else { return $ res ; } }
read a specific data in the cache.
@param mixed   $key   key or array of keys used for storing data in the cache
@return mixed $data      array of data or false if failure
read a specific data in the cache .