PwC pos printing example in php

pwc-pos-example.php

<?php
use PayWithCapture\PayWithCaptureClient;

$clientId = ""; //Your client id is in your devcenter account page
$clientSecret = ""; //Your client secret is in your devcenter account page
$env = "staging"; //this can either be staging or production

$client = new PayWithCaptureClient($clientId, $clientSecret, $env);
$posClient = $client->getPOSPrintingClient();

//print details using your merchant code
$posClient->printWithMerchantCode($merchant_code);

//print details using transaction reference
$posClient->printWithTransactionReference($transaction_ref);