put multiple json data using php curl and save response to csv

putJson.php

<?php

        $data = file_get_contents("test.json");
        $json_a = json_decode($data, true);

        $fp = fopen('file.csv', 'w');
           foreach($json_a as $rows){

            $url = 'http://';

            $curl = curl_init($url);

            $datas = json_encode($rows,JSON_UNESCAPED_UNICODE|JSON_UNESCAPED_SLASHES);
            
            $data = array('id' => "011",'name' => $datas);
        
            curl_setopt($curl, CURLOPT_URL, $url);
            curl_setopt($curl, CURLOPT_RETURNTRANSFER, true);
            curl_setopt($curl, CURLOPT_CUSTOMREQUEST, 'PUT');
            curl_setopt($curl, CURLOPT_POSTFIELDS, http_build_query($data));
            
            $result  = curl_exec($curl);

            //print_r($result);

            $myarray = json_decode($result);



            $json_array = array();
            
            foreach($myarray  AS $row){  

              if(isset($row->data->id) && isset($row->data->name)){ 
             
                $json_array['id'] = $row->data->id;
                $json_array['name'] = $row->data->name;

                fputcsv($fp, $json_array);
              }
              
            }
            

            curl_close($curl);
            
           }
           fclose($fp);

        echo 'Successfully created!';

?>

Hi! Can you please explain how to use it?