LineSample.php

<?php
//Replace the line with require "vendor/autoload.php" if you are using the Samples from outside of _Samples folder
include('../config.php');

use QuickBooksOnline\API\Core\ServiceContext;
use QuickBooksOnline\API\DataService\DataService;
use QuickBooksOnline\API\PlatformService\PlatformService;
use QuickBooksOnline\API\Core\Http\Serialization\XmlObjectSerializer;
use QuickBooksOnline\API\Facades\Invoice;
use QuickBooksOnline\API\Facades\Line;

// Prep Data Services
$dataService = DataService::Configure(array(
  'auth_mode'       => 'oauth2',
  'ClientID'        => "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX",
  'ClientSecret'    => "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX",
  'accessTokenKey'  => "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX..XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX",
  'refreshTokenKey' => 'XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX',
  'QBORealmID'      => "xxxxxxxxxxxxxxxxxxx",
  'baseUrl'         => "development"
));

$dataService->setLogLocation("/Users/hlu2/Desktop/newFolderForLog");
$dataService->setMinorVersion("8");

$lineArray = array();
// create three Lines
$i = 0;
for($i = 1; $i<= 3; $i ++){
   $LineObj = Line::create([
       "Id" => $i,
       "LineNum" => $i,
       "Description" => "Pest Control Services",
       "Amount" => 35.0,
       "DetailType" => "SalesItemLineDetail",
       "SalesItemLineDetail" => [
           "ItemRef" => [
               "value" => "1",
               "name" => "Pest Control"
           ],
           "UnitPrice" => 35,
           "Qty" => 1,
           "TaxCodeRef" => [
               "value" => "NON"
           ]
       ]
   ]);
   $lineArray[] = $LineObj;
}
//Add a new Invoice
$theResourceObj = Invoice::create([
     "Line" =>  $lineArray,
    "CustomerRef"=> [
     "value"=> "1"
     ],
      "BillEmail" => [
            "Address" => "Familiystore@intuit.com"
      ],
      "BillEmailCc" => [
            "Address" => "a@intuit.com"
      ],
      "BillEmailBcc" => [
            "Address" => "v@intuit.com"
      ]
]);
$resultingObj = $dataService->Add($theResourceObj);
$error = $dataService->getLastError();
if ($error) {
    echo "The Status code is: " . $error->getHttpStatusCode() . "\n";
    echo "The Helper message is: " . $error->getOAuthHelperError() . "\n";
    echo "The Response message is: " . $error->getResponseBody() . "\n";
}
else {
    echo "Created Id={$resultingObj->Id}. Reconstructed response body:\n\n";
    $xmlBody = XmlObjectSerializer::getPostXmlFromArbitraryEntity($resultingObj, $urlResource);
    echo $xmlBody . "\n";
}

/*
Created Customer Id=801. Reconstructed response body:

<?xml version="1.0" encoding="UTF-8"?>
<ns0:Customer xmlns:ns0="http://schema.intuit.com/finance/v3">
  <ns0:Id>801</ns0:Id>
  <ns0:SyncToken>0</ns0:SyncToken>
  <ns0:MetaData>
    <ns0:CreateTime>2013-08-05T07:41:45-07:00</ns0:CreateTime>
    <ns0:LastUpdatedTime>2013-08-05T07:41:45-07:00</ns0:LastUpdatedTime>
  </ns0:MetaData>
  <ns0:GivenName>GivenName21574516</ns0:GivenName>
  <ns0:FullyQualifiedName>GivenName21574516</ns0:FullyQualifiedName>
  <ns0:CompanyName>CompanyName426009111</ns0:CompanyName>
  <ns0:DisplayName>GivenName21574516</ns0:DisplayName>
  <ns0:PrintOnCheckName>CompanyName426009111</ns0:PrintOnCheckName>
  <ns0:Active>true</ns0:Active>
  <ns0:Taxable>true</ns0:Taxable>
  <ns0:Job>false</ns0:Job>
  <ns0:BillWithParent>false</ns0:BillWithParent>
  <ns0:Balance>0</ns0:Balance>
  <ns0:BalanceWithJobs>0</ns0:BalanceWithJobs>
  <ns0:PreferredDeliveryMethod>Print</ns0:PreferredDeliveryMethod>
</ns0:Customer>
*/