<PixiPayGetInvoicesToCapturePost200TextXmlResponse>
  <InvoiceNr>string</InvoiceNr>
  <OrderNrExternal>string</OrderNrExternal>
  <Total>0</Total>
  <OrderLinesTotalANG>0</OrderLinesTotalANG>
  <PayedSum>0</PayedSum>
  <TotalToCapture>0</TotalToCapture>
  <Total_OrderCurr>0</Total_OrderCurr>
  <OrderCurrency>string</OrderCurrency>
  <ShopID>string</ShopID>
  <CardOwner>string</CardOwner>
  <CardNumber>string</CardNumber>
  <CardExpiration>string</CardExpiration>
  <CardCVC>string</CardCVC>
  <Anrede>string</Anrede>
  <CareOf>string</CareOf>
  <FirstName>string</FirstName>
  <LastName>string</LastName>
  <Address>string</Address>
  <City>string</City>
  <ZIP>string</ZIP>
  <Country>string</Country>
  <Phone>string</Phone>
  <eMail>string</eMail>
  <CCPNumOfTries>0</CCPNumOfTries>
  <CCPRecharge>string</CCPRecharge>
  <ccpPayID>string</ccpPayID>
  <ccpSetFailLastTime>string</ccpSetFailLastTime>
  <ccpSetFailTries>0</ccpSetFailTries>
  <InvoiceId>0</InvoiceId>
</PixiPayGetInvoicesToCapturePost200TextXmlResponse>

POST https://apigateway.descartes.com/tms/pixi/
Content-Type: text/xml; charset=utf-8
# echo -n '{{username}}:{{password}}' | base64 | pbcopy
Authorization: Basic {{token}}

<?xml version="1.0" encoding="UTF-8"?>
<SOAP-ENV:Envelope xmlns:SOAP-ENV="http://schemas.xmlsoap.org/soap/envelope/"
                   xmlns:ns1="https://apigateway.descartes.com/tms/pixi/"
                   xmlns:xsd="http://www.w3.org/2001/XMLSchema"
                   xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
                   SOAP-ENV:encodingStyle="http://schemas.xmlsoap.org/soap/encoding/">
    <SOAP-ENV:Body>
        <ns1:pixiPayGetInvoicesToCapture>
            <ShowAll xsi:type="xsd:boolean"></ShowAll>
            <RowCount xsi:type="xsd:integer"></RowCount>
            <PaymentCode xsi:type="xsd:string"></PaymentCode>
            <FromInvoiceId xsi:type="xsd:integer"></FromInvoiceId>
        </ns1:pixiPayGetInvoicesToCapture>
    </SOAP-ENV:Body>
</SOAP-ENV:Envelope>

<?php

getPixiSoapClientResponse('pixiPayGetInvoicesToCapture', [
    'ShowAll' => '', // boolean
    'RowCount' => '', // integer
    'PaymentCode' => '', // string
    'FromInvoiceId' => '', // integer
]);

function getPixiSoapClientResponse(string $method, array $arguments = [])
{
    $soapArguments = [];
    foreach ($arguments as $key => $value) {
        $soapArguments[] = new SoapVar($value, null, '', '', $key);
    }

    $soapClient = new SoapClient(null, [
        'login' => '...',
        'password' => '...',
        'uri' => 'https://apigateway.descartes.com/tms/pixi/',
        'location' => 'https://apigateway.descartes.com/tms/pixi/',
    ]);

    return $soapClient->__call($method, $soapArguments);
}