invoice/GetNextInvoiceNumber.php
<?php

# Get Next Invoice Number Sample

This sample code demonstrate how you can retrieve the next invoice number.

require '../bootstrap.php'; use PayPal\Api\Invoice;

### Get Next Invoice Number

To generate the successive invoice number for the merchant, use below code. (See bootstrap.php for more on `ApiContext`)

try { $number = Invoice::generateNumber($apiContext); } catch (Exception $ex) {

NOTE: PLEASE DO NOT USE RESULTPRINTER CLASS IN YOUR ORIGINAL CODE. FOR SAMPLE ONLY

ResultPrinter::printError("Get Next Invoice Number", "InvoiceNumber", null, null, $ex); exit(1); }

NOTE: PLEASE DO NOT USE RESULTPRINTER CLASS IN YOUR ORIGINAL CODE. FOR SAMPLE ONLY

ResultPrinter::printResult("Get Next Invoice Number", "InvoiceNumber", null, $number, $number); return $number;