function testPostTax()
 {
     global $getTaxRequest, $getTaxResult, $client, $postResult;
     //Post tax
     $postRequest = new PostTaxRequest();
     $postRequest->setCompanyCode($getTaxRequest->getCompanyCode());
     $postRequest->setDocId($getTaxResult->getDocId());
     $postRequest->setDocType($getTaxRequest->getDocType());
     $postRequest->setDocCode($getTaxRequest->getDocCode());
     $postRequest->setDocDate($getTaxRequest->getDocDate());
     $postRequest->setTotalAmount($getTaxResult->getTotalAmount());
     $postRequest->setTotalTax($getTaxResult->getTotalTax());
     $postResult = $client->postTax($postRequest);
     $this->assertEqual($getTaxResult->getDocId(), $postResult->getDocId());
     $this->assertEqual(SeverityLevel::$Success, $postResult->getResultCode());
 }
<?php

require '../../AvaTax4PHP/AvaTax.php';
// include in all Avalara Scripts
require '../Credentials.php';
// where service URL, account, license key are set
$STDIN = fopen('php://stdin', 'r');
$client = new TaxServiceSoap('Development');
$request = new PostTaxRequest();
$input = "bogus";
// Locate Document by Invoice Number
echo "Enter Invoice Number(Document Code): ";
$input = rtrim(fgets($STDIN));
$request->setDocCode($input);
$request->setDocDate($input);
$request->setDocType('SalesInvoice');
$request->setCompanyCode('DEFAULT');
//<Your Dashboard Company Code Here>');
echo "Enter Total Invoice Amount: ";
$input = rtrim(fgets($STDIN));
$request->setTotalAmount($input);
echo "Enter Total Invoice Tax: ";
$input = rtrim(fgets($STDIN));
$request->setTotalTax($input);
echo "Enter Doc Date (yyyy-mm-dd): ";
$input = rtrim(fgets($STDIN));
$request->setDocDate($input);
try {
    $result = $client->postTax($request);
    echo 'PostTax ResultCode is: ' . $result->getResultCode() . "\n";
    if ($result->getResultCode() != SeverityLevel::$Success) {