<?php

// Initiate and set the username provided from usps
$tracking = new \USPS\TrackConfirm('xxxx');
// During test mode this seems not to always work as expected
$tracking->setTestMode(true);
// Add the test package id to the trackconfirm lookup class
$tracking->addPackage("EJ958083578US");
// Perform the call and print out the results
print_r($tracking->getTracking());
print_r($tracking->getArrayResponse());
// Check if it was completed
if ($tracking->isSuccess()) {
    echo 'Done';
} else {
    echo 'Error: ' . $tracking->getErrorMessage();
}