2019-03-06 09:58
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I am attempting to send data from c# to PHP using the JSON.

I see 'NULL' on the PHP page.

Here is my c# HTTP request which should send json request to PHP webpage.

        user user = new user();
            user.firstname = "aaaa";
            user.secondname = "aaaaaaaaaaa";
            user.email = "aaa";
            user.phonenumber = "aaa";
        string json = JsonConvert.SerializeObject(user);
        HttpWebRequest request = WebRequest.Create("https://localhost/test.php") as HttpWebRequest;
        request.ContentType = "application/json";
        //request.Accept = "application/json, text/javascript, */*";
        request.Method = "POST";
        using (StreamWriter writer = new StreamWriter(request.GetRequestStream()))
        HttpWebResponse response = request.GetResponse() as HttpWebResponse;
        Stream stream = response.GetResponseStream();

        string json1 = "";

        using (StreamReader reader = new StreamReader(stream))
            while (!reader.EndOfStream)
                json1 += reader.ReadLine();
        DisplayAlert("Alert", json1, "OK");

I have PHP "test.php" which has the following code.


echo json_encode($_POST);


When the c# function run; I don't get any errors.

Then I refresh webpage and it says "NUll"

What I would like to achieve is c# to send data using JSON using REST API (HTTP Request).

Then using PHP; I will get the data and save in MySql Table.

But PHP just shows 'Null'

What I am doing wrong.

Thank you


The DisplayAlert which I see in c# shows the string which it passes to PHP.

c# alert of string which it passes to PHP

PHP webpage shows string (0)

PHP Code

//Receive the RAW post data.
$content = file_get_contents("php://input");

$obj = json_encode($content);

$insert_stmt = $mysqli_scs->prepare("INSERT INTO test (name,address) VALUES (?,?)");
$name =$content->{'name'};
$address = $obj->{'address'};

$insert_stmt->bind_param("ss", $name, $address);
//Execute the statement
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1条回答 默认 最新

  • dongying6659 2019-03-06 10:04

    You have to look what C# call returns to you right ?

    I don't know C# but I don't think the json must be send in the $_POST variable but in the body part of the request. In vanilla PHP you can get it with :


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