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

shopping_get_item.php

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

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

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

$request = new Types\GetSingleItemRequestType();
$request->ItemID = 'your-item-id';
$request->IncludeSelector = 'Details,Description,ShippingCosts';

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

if (isset($response->Errors)) {
    foreach ($response->Errors as $error) {
        printf(
            "%s: %s\n%s\n\n",
            $error->SeverityCode === Enums\SeverityCodeType::C_ERROR ? 'Error' : 'Warning',
            $error->ShortMessage,
            $error->LongMessage
        );
    }
}

if ($response->Ack !== 'Failure') {
    $item = $response->Item;

    printf(
        "%s\n%s\n%s\n%s\n%s\n(%s)%.2f\n",
        $item->ViewItemURLForNaturalSearch,
        $item->ItemID,
        $item->Title,
        $item->Description,
        $item->Quantity,
        $item->CurrentPrice->currencyID,
        $item->CurrentPrice->value
    );

    print("Domestic Shipping Information\n");
    printf(
        "(%s)%.2f\n",
        $item->ShippingCostSummary->ShippingServiceCost->currencyID,
        $item->ShippingCostSummary->ShippingServiceCost->value
    );
}