function reqs($url, $data = false,$header = [])
    {
        $curl = curl_init();
        curl_setopt($curl, CURLOPT_URL, $url);
        curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, FALSE);
        curl_setopt($curl, CURLOPT_SSL_VERIFYHOST, FALSE);
        curl_setopt($curl, CURLOPT_CONNECTTIMEOUT, 10);
        if ($data) {
            //content-type:multipart/form-data
//            curl_setopt($curl, CURLOPT_POST, 1);
//            curl_setopt($curl, CURLOPT_POSTFIELDS, $data);

            //content-type:application/json
            if(is_array($data)) $data = json_encode($data);
            curl_setopt($curl, CURLOPT_POST, 1);
            curl_setopt($curl, CURLOPT_POSTFIELDS, $data);
            $header[] = 'Content-Type: application/json' ;
            $header[] =  'Content-Length: ' . strlen($data) ;
        }
        if($header){
            curl_setopt($curl, CURLOPT_HTTPHEADER, $header);
        }

        curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);
        $output = curl_exec($curl);
        $httpcode = curl_getinfo($curl, CURLINFO_HTTP_CODE); //200  500
        curl_close($curl);
        return $output;
    }