Cml\Http\Session::set PHP Method

    public static function set($key, $value = '')
    {
        empty(self::$prefix) && (self::$prefix = Config::get('session_prefix'));
        if (!is_array($key)) {
            $_SESSION[self::$prefix . $key] = $value;
        } else {
            foreach ($key as $k => $v) {
                $_SESSION[self::$prefix . $k] = $v;
            }
        }
        return true;
    }