getId(); // ### Retrieve Invoice // Retrieve the invoice object by calling the // static `get` method // on the Invoice class by passing a valid // Invoice ID // (See bootstrap.php for more on `ApiContext`) try { $invoice = Invoice::get($invoiceId, $apiContext); } catch (Exception $ex) { // NOTE: PLEASE DO NOT USE RESULTPRINTER CLASS IN YOUR ORIGINAL CODE. FOR SAMPLE ONLY ResultPrinter::printError("Get Invoice", "Invoice", $invoice->getId(), $invoiceId, $ex); exit(1); } // NOTE: PLEASE DO NOT USE RESULTPRINTER CLASS IN YOUR ORIGINAL CODE. FOR SAMPLE ONLY ResultPrinter::printResult("Get Invoice", "Invoice", $invoice->getId(), $invoiceId, $invoice); return $invoice;