PHP와 Alibaba Cloud OCR을 사용하여 은행 카드가 속한 은행을 식별하는 방법은 무엇입니까?

composer require alibabacloud/client

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

use AlibabaCloudClientAlibabaCloud;
use AlibabaCloudClientExceptionClientException;
use AlibabaCloudClientExceptionServerException;
use AlibabaCloudClientClientsStsClient;
use AlibabaCloudStsSts;
use AlibabaCloudOcrV20191230OcrRequest;
use AlibabaCloudOcrV20191230OcrRequestImageURLs;
use AlibabaCloudOcrV20191230Ocr;

//设置您的Access Key和Access Secret
AlibabaCloud::accessKeyClient('[your_access_key]', '[your_access_secret]')
        ->regionId('cn-hangzhou')
        ->asDefaultClient();

function recognizeBankCard($imageUrl) {
    try {
        //创建OcrRequest对象
        $request = new OcrRequest();
        $request->setMethod('POST');
        $request->setAcceptFormat('JSON');
        $request->setImageUrl($imageUrl);
        $request->setMethod("POST");
        $response = AlibabaCloud::rpc()
            ->product('Ocr')
            ->version('2019-12-30')
            ->needSignature(true)
            ->request();

        //处理API响应数据
        if ($response['success']) {
            $result = $response['result'];
            foreach ($result['Cards'] as $card) {
                if ($card['CardType'] == 'BankCard') {
                    return $card['BankName']['Text'];
                }
            }
        } else {
            return "识别失败，请重试";
        }
    } catch (ClientException $e) {
        return $e->getErrorMessage();
    } catch (ServerException $e) {
        return $e->getErrorMessage();
    }
}

$imageUrl = 'https://example.com/bank_card.jpg';
$bankName = recognizeBankCard($imageUrl);

echo "银行名称：".$bankName;