Opensoft\Rollout\Feature::isParamInRequestParams PHP Метод

    private function isParamInRequestParams(array $requestParameters)
    {
        $param = explode('=', $this->requestParam);
        $key = array_shift($param);
        $value = array_shift($param);
        return $key && array_key_exists($key, $requestParameters) && (empty($value) || $requestParameters[$key] == $value);
    }