<?php
$referencecode=addslashes($_POST['refID']);
$username=addslashes($_POST['username']);
$password=addslashes($_POST['password']);

$xml='<?xml version="1.0" encoding="UTF-8"?>
<SOAP-ENV:Envelope xmlns:SOAP-ENV="http://schemas.xmlsoap.org/soap/envelope/" xmlns:ns1="urn:WSPINIntf-IWSPIN" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:SOAP-ENC="http://schemas.xmlsoap.org/soap/encoding/" SOAP-ENV:encodingStyle="http://schemas.xmlsoap.org/soap/encoding/">
  <SOAP-ENV:Body>
    <ns1:PaymentStatus>
    <wsuser xsi:type="xsd:string">test@payzpin.com</wsuser>
        <wspass xsi:nil="true">test123*!</wspass>
        <apikey xsi:nil="true">AUB0UDB4VI9PR7DQCGX0IO4ENH732D4ACQS5Y48YVNUX99BALI</apikey>
      <username xsi:nil="true">'.$username.'</username>
      <password xsi:nil="true">'.$password.'</password>
      <referencecode xsi:nil="true">'.$referencecode.'</referencecode>
    </ns1:PaymentStatus>
  </SOAP-ENV:Body>
</SOAP-ENV:Envelope>';

$url="http://188.165.81.253:8080/myapp/WSPIN.dll/soap/IWSPIN";


$ch = curl_init($url);
//curl_setopt($ch, CURLOPT_MUTE, 1);
curl_setopt($ch, CURLOPT_POST, 1);
curl_setopt($ch, CURLOPT_HTTPHEADER, array('Content-Type:  text/xml; charset=utf-8'));
curl_setopt($ch, CURLOPT_POSTFIELDS, "$xml");
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_close($ch);
$output = curl_exec($ch);
if(curl_exec($ch) === false)
{
    echo 'Curl error: ' . curl_error($ch);
}
var_dump($output);