soap.php

<?php
defined('BASEPATH') OR exit('No direct script access allowed');

class Pixibox_soap {

  const REQUEST_URL = 'http://example.com/DjamWebserv.asmx';

  const COUPON_LINK = 'http://example.com/PixiboxMasterPrint.aspx';
  
  const SUCCESS_RESPONSE_VALUES = [1, 2, 3];

  public function generateXml($action, $paramsArray)
  {
      $params = '';
      foreach ($paramsArray as $key => $value) {
        $params .= "<".$key.">".$value."</".$key."> \n";
      }
      $xml = '<?xml version="1.0" encoding="utf-8"?>
              <soap:Envelope xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:soap="http://schemas.xmlsoap.org/soap/envelope/">
                <soap:Body>
                  <'.$action.' xmlns="http://www.pixiboxwserv.fr/">
                    '.$params.'
                  </'.$action.'>
                </soap:Body>
              </soap:Envelope>';
      return $xml;
  }

  public function request($action, array $params)
  {
      $body = $this->generateXml($action, $params);
      
      $curl = curl_init();

      curl_setopt_array($curl, array(
        CURLOPT_URL            => self::REQUEST_URL,
        CURLOPT_RETURNTRANSFER => true,
        CURLOPT_ENCODING       => "",
        CURLOPT_MAXREDIRS      => 10,
        CURLOPT_TIMEOUT        => 30,
        CURLOPT_HTTP_VERSION   => CURL_HTTP_VERSION_1_1,
        CURLOPT_CUSTOMREQUEST  => "POST",
        CURLOPT_POSTFIELDS     => $body,
        CURLOPT_HTTPHEADER => array(
          "cache-control: no-cache",
          "content-type: text/xml"
        ),
      ));

      $response = curl_exec($curl);
      $err      = curl_error($curl);
      curl_close($curl);
      $xs = new SimpleXMLIterator($response);
      $body = @$xs->xpath("//soap:Body");
      $body = object_to_array($body);
      switch ($action) {
        case 'CreateUpdateUser':
          $value =  @$body[0]['CreateUpdateUserResponse']['CreateUpdateUserResult'];
          _log($value);
          return in_array($value, self::SUCCESS_RESPONSE_VALUES);
          break;
        
        default:
          return false;
          break;
      }
  }

  public function getLink($email)
  {
      $queryStrings = http_build_query([
        'Email' => $email,
        'Partnerkey' => '123123'
      ]);

      return self::COUPON_LINK .'?' .  $queryStrings;
  }
}