<?php

$request = new HttpRequest();
$request->setUrl('http://sa.yourlawyer.com:8081/SATestFileUpload/Fileupload.asmx');
$request->setMethod(HTTP_METH_POST);

$request->setHeaders(array(
  'postman-token' => 'df6d2bc2-39e9-f3ea-3f96-c9a62da5b357',
  'cache-control' => 'no-cache',
  'content-type' => 'text/xml'
));

$request->setBody('<?xml version="1.0" encoding="utf-8"?>
<soap12:Envelope xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:soap12="http://www.w3.org/2003/05/soap-envelope">
  <soap12:Body>
    <UploadFile xmlns="http://localhost/">
      <f>base64Binary</f>
      <fileName>test.xml</fileName>
      <caseNumber>1802864</caseNumber>
    </UploadFile>
  </soap12:Body>
</soap12:Envelope>');

try {
  $response = $request->send();

  echo $response->getBody();
} catch (HttpException $ex) {
  echo $ex;
}

var client = new RestClient("http://sa.yourlawyer.com:8081/SATestFileUpload/Fileupload.asmx");
var request = new RestRequest(Method.POST);
request.AddHeader("postman-token", "49867e69-f578-9149-96e5-173d60d7b8b3");
request.AddHeader("cache-control", "no-cache");
request.AddHeader("content-type", "text/xml");
request.AddParameter("text/xml", "<?xml version=\"1.0\" encoding=\"utf-8\"?>\r\n<soap12:Envelope xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\" xmlns:xsd=\"http://www.w3.org/2001/XMLSchema\" xmlns:soap12=\"http://www.w3.org/2003/05/soap-envelope\">\r\n  <soap12:Body>\r\n    <UploadFile xmlns=\"http://localhost/\">\r\n      <f>base64Binary</f>\r\n      <fileName>test.xml</fileName>\r\n      <caseNumber>1802864</caseNumber>\r\n    </UploadFile>\r\n  </soap12:Body>\r\n</soap12:Envelope>", ParameterType.RequestBody);
IRestResponse response = client.Execute(request);