public function get($field)
    {
        return $this->unSerialize($this->redis->hget($this->key, $field));
    }
public function get($field)
    {
        return $this->unSerialize($this->redis->hget($this->key, $field));
    }
@param int|string $field Field of the value that will be retrieved.

@return mixed Value behind $field. Null if $field does not exist.