think\controller\Rest::__construct PHP Метод

    public function __construct()
    {
        // 资源类型检测
        $request = Request::instance();
        $ext = $request->ext();
        if ('' == $ext) {
            // 自动检测资源类型
            $this->type = $request->type();
        } elseif (!preg_match('/\\(' . $this->restTypeList . '\\)$/i', $ext)) {
            // 资源类型非法 则用默认资源类型访问
            $this->type = $this->restDefaultType;
        } else {
            $this->type = $ext;
        }
        // 请求方式检测
        $method = strtolower($request->method());
        if (false === stripos($this->restMethodList, $method)) {
            // 请求方式非法 则用默认请求方法
            $method = $this->restDefaultMethod;
        }
        $this->method = $method;
    }