<PixiGetOrderlinesForOrderPost200TextXmlResponse>
  <OrderlineKey>0</OrderlineKey>
  <ArtName>string</ArtName>
  <Qty>0</Qty>
  <Price>0</Price>
  <Status>string</Status>
  <StatusText>string</StatusText>
  <ItemNrExternal>string</ItemNrExternal>
  <OrderNr>0</OrderNr>
  <OrderNrExternal>string</OrderNrExternal>
  <OrderCurrency>string</OrderCurrency>
  <OrderDate>string</OrderDate>
  <ItemRef>0</ItemRef>
  <oItemSpecialNote>string</oItemSpecialNote>
  <DiscountValue>0</DiscountValue>
  <DiscountPerc>0</DiscountPerc>
  <FullPrice>0</FullPrice>
  <VATRate>string</VATRate>
  <PriceNoVAT>0</PriceNoVAT>
  <AvailStockOrderLine>0</AvailStockOrderLine>
  <ItemNrInt>string</ItemNrInt>
  <ShipDate>string</ShipDate>
  <DFShipDate>string</DFShipDate>
  <DFShipmentTrackingID>string</DFShipmentTrackingID>
  <ReservedCount>0</ReservedCount>
  <ItemNrSuppl>string</ItemNrSuppl>
</PixiGetOrderlinesForOrderPost200TextXmlResponse>

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:pixiGetOrderlinesForOrder>
            <OrderNr xsi:type="xsd:integer">123</OrderNr>
            <OrderXML xsi:type="xsd:string">abcdefg</OrderXML>
            <ReturnBundle xsi:type="xsd:boolean">0 or 1</ReturnBundle>
        </ns1:pixiGetOrderlinesForOrder>
    </SOAP-ENV:Body>
</SOAP-ENV:Envelope>

<?php

getPixiSoapClientResponse('pixiGetOrderlinesForOrder', [
    'OrderNr' => '123', // integer
    'OrderXML' => 'abcdefg', // string
    'ReturnBundle' => '0 or 1', // boolean
]);

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);
}