<PixiGetInvoiceLinesPost200TextXmlResponse>
  <InvoiceLineKey>0</InvoiceLineKey>
  <InvoiceNr>string</InvoiceNr>
  <OrderLineKey>0</OrderLineKey>
  <ArtNr>string</ArtNr>
  <ArtName>string</ArtName>
  <SpecialNote>string</SpecialNote>
  <ItemText>string</ItemText>
  <OrderDate>string</OrderDate>
  <OrderQty>0</OrderQty>
  <ItemQty>0</ItemQty>
  <ItemPrice>0</ItemPrice>
  <ShipCost>0</ShipCost>
  <ItemVAT>string</ItemVAT>
  <ItemNr>string</ItemNr>
  <ItemNrSuppl>string</ItemNrSuppl>
  <ItemNrInt>string</ItemNrInt>
  <EanUpc>string</EanUpc>
  <SerialNr>string</SerialNr>
  <OrderNr>0</OrderNr>
  <OrderNrExternal>string</OrderNrExternal>
  <Status>string</Status>
  <ItemPriceNoVAT>0</ItemPriceNoVAT>
  <FullPrice>0</FullPrice>
  <DiscountValue>0</DiscountValue>
  <DiscountPerc>0</DiscountPerc>
  <ItemNrExternal>string</ItemNrExternal>
  <DF_Type>string</DF_Type>
  <DFShipDate>string</DFShipDate>
  <DFShipmentTrackingID>string</DFShipmentTrackingID>
  <BoxNr>0</BoxNr>
  <BatchNumber>string</BatchNumber>
  <BestBeforeDate>string</BestBeforeDate>
  <VATPercent>0</VATPercent>
  <VATAmount>0</VATAmount>
  <PicLinkLarge>string</PicLinkLarge>
</PixiGetInvoiceLinesPost200TextXmlResponse>

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:pixiGetInvoiceLines>
            <InvoiceNr xsi:type="xsd:string">ABC000001</InvoiceNr> <!-- required -->
            <IncludeSpecialInvLines xsi:type="xsd:boolean">1</IncludeSpecialInvLines>
        </ns1:pixiGetInvoiceLines>
    </SOAP-ENV:Body>
</SOAP-ENV:Envelope>

<?php

getPixiSoapClientResponse('pixiGetInvoiceLines', [
    'InvoiceNr' => 'ABC000001', // string (required)
    'IncludeSpecialInvLines' => '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);
}