Nord\Lumen\Cors\CorsMiddleware::handle PHP Method

    public function handle(Request $request, Closure $next)
    {
        if (!$this->service->isCorsRequest($request)) {
            return $next($request);
        }
        if ($this->service->isPreflightRequest($request)) {
            return $this->service->handlePreflightRequest($request);
        }
        return $this->service->handleRequest($request, $next($request));
    }