【Amazon Product Adverstising API】ASINからパッケージ寸法を取得できるクラスの使い方

usageLookup.php

<?php
require_once "vendor/autoload.php";

use ApaiIO\Configuration\GenericConfiguration;
use ApaiIO\ResponseTransformer\XmlToSimpleXmlObject;
use ApaiIO\Operations\Lookup;
use ApaiIO\ApaiIO;
use Acme\ItemLookup;

$conf = new GenericConfiguration();
$conf
    ->setCountry('com')
    ->setAccessKey(AWS_API_KEY)
    ->setSecretKey(AWS_API_SECRET_KEY)
    ->setAssociateTag(AWS_ASSOCIATE_TAG);

$apaiIO = new ApaiIO($conf);

$search = new Lookup();
$search->setCategory('DVD');
$search->setActor('Bruce Willis');
$search->setKeywords('Die Hard');

$response = $apaiIO->runOperation($search);

$itemLookup = new ItemLookup(simplexml_load_string($response));

if ($itemLookup->isValid()) {
	foreach ($itemLookup as $item)
	{
		$data[] = [
			"asin" => $itemLookup->getAsin(),
			"weight" => $itemLookup->getWeight(),
			"width" => $itemLookup->getWidth(),
			"height" => $itemLookup->getHeight(),
			"length" => $itemLookup->getLength(),
			"title" => $itemLookup->getTitle(),
			"salesrank" => $itemLookup->getSalesRank()
		];
	}
	
	if($itemLookup->getError()){
		foreach($itemLookup->getError()->Error as $error)
			echo $error;
	}
}