Nord\Lumen\Cors\CorsService::isOriginAllowed PHP Метод

    protected function isOriginAllowed($origin)
    {
        if (!$origin) {
            throw new InvalidArgument('Origin cannot be empty.');
        }
        if ($this->isAllOriginsAllowed()) {
            return true;
        }
        return in_array($origin, $this->allowOrigins);
    }