Getting an item by calling findItemsAdvanced in the Finding API using the [eBay SDK for PHP](https://github.com/davidtsadler/ebay-sdk-php)

finding_get_item.php

<?php
require __DIR__.'/vendor/autoload.php';

use \DTS\eBaySDK\Constants;
use \DTS\eBaySDK\Finding\Services;
use \DTS\eBaySDK\Finding\Types;
use \DTS\eBaySDK\Finding\Enums;

$service = new Services\FindingService([
    'credentials' => [
       'appId'  => 'your-app-id',
       'certId' => 'your-cert-id',
       'devId'  => 'your-dev-id'        
    ],
    'globalId'    => Constants\GlobalIds::GB
]);

$request = new Types\FindItemsAdvancedRequest();
$request->keywords = 'your-item-id';

$response = $service->findItemsAdvanced($request);

if (isset($response->errorMessage)) {
    foreach ($response->errorMessage->error as $error) {
        printf(
            "%s: %s\n\n",
            $error->severity=== Enums\ErrorSeverity::C_ERROR ? 'Error' : 'Warning',
            $error->message
        );
    }
}

if ($response->ack !== 'Failure') {
    $item = $response->searchResult->item[0];

    printf(
        "%s\n%s\n%s\n(%s)%.2f\n",
        $item->viewItemURL,
        $item->itemId,
        $item->title,
        $item->sellingStatus->currentPrice->currencyId,
        $item->sellingStatus->currentPrice->value
    );

    print("Domestic Shipping Information\n");
    printf(
        "(%s)%.2f\n",
        $item->shippingInfo->shippingServiceCost->currencyId,
        $item->shippingInfo->shippingServiceCost->value
    );
}