OSS\OssClient::generateSignableQueryStringParam PHP Method

    private function generateSignableQueryStringParam($options)
    {
        $signableQueryStringParams = array();
        $signableList = array(self::OSS_PART_NUM, 'response-content-type', 'response-content-language', 'response-cache-control', 'response-content-encoding', 'response-expires', 'response-content-disposition', self::OSS_UPLOAD_ID, self::OSS_CNAME_COMP);
        foreach ($signableList as $item) {
            if (isset($options[$item])) {
                $signableQueryStringParams[$item] = $options[$item];
            }
        }
        if ($this->enableStsInUrl && !is_null($this->securityToken)) {
            $signableQueryStringParams["security-token"] = $this->securityToken;
        }
        return $signableQueryStringParams;
    }