$data = array(
      "token" => "YOUR TOKEN",
      "condition" => "plc > 100 && (ct).Sell_I_volume == 0 "
	  );
$postdata = json_encode($data);
$ch = curl_init("https://sourcearena.ir/api/filter.php");
curl_setopt($ch, CURLOPT_POST, 1);
curl_setopt($ch, CURLOPT_POSTFIELDS, $postdata);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($ch, CURLOPT_HTTPHEADER, array('Content-Type: application/json'));
$result = curl_exec($ch);
curl_close($ch);
print_r ($result);

var postdata = { 
           token : "YOUR TOKEN",
           condition : "plc > 100 && (ct).Sell_I_volume == 0 "};
req = $.ajax({
    url: 'https://sourcearena.ir/api/filter.php',
    type: 'POST',
    data:JSON.stringify(postdata),
    dataType: 'json',
    contentType: "application/json; charset=utf-8",
     success: function (data) {
           console.log(data);
    }
});

import requests , json
data = json={
"token": "YOUR TOKEN",
"condition": "plc > 100 && (ct).Sell_I_volume == 0 "
}
r = requests.get('https://sourcearena.ir/api/filter.php',json = data)
print(r.json())

URL url;
URLConnection urlConn;
DataOutputStream printout;
DataInputStream  input;
url = new URL ("https://sourcearena.ir/api/filter.php");
urlConn = url.openConnection();
urlConn.setDoInput (true);
urlConn.setDoOutput (true);
urlConn.setUseCaches (false);
urlConn.setRequestProperty("Content-Type","application/json");   
urlConn.connect();  
JSONObject jsonParam = new JSONObject();
jsonParam.put("token", "YOUR TOKEN");
jsonParam.put("condition", "plc > 100 && (ct).Sell_I_volume == 0 ");
printout = new DataOutputStream(urlConn.getOutputStream ());
printout.writeBytes(URLEncoder.encode(jsonParam.toString(),"UTF-8"));
printout.flush ();
printout.close ();

var url = "https://sourcearena.ir/api/filter.php";
var httpWebRequest = (HttpWebRequest)WebRequest.Create(url);
httpWebRequest.ContentType = "application/json";
httpWebRequest.Method = "POST";
using (var streamWriter = new StreamWriter(httpWebRequest.GetRequestStream()))
{
    string json = new JavaScriptSerializer().Serialize(new
                {
                    token = "YOUR TOKEN",
                    condition = "plc > 100 && (ct).Sell_I_volume == 0 "
                });
    streamWriter.Write(json);
}
var httpResponse = (HttpWebResponse)httpWebRequest.GetResponse();
using (var streamReader = new StreamReader(httpResponse.GetResponseStream()))
{
    var result = streamReader.ReadToEnd();
}