How to use PHP and Alibaba Cloud OCR to identify the legal representative of a business license?

How to use PHP and Alibaba Cloud OCR to identify the legal representative of a business license

In the modern business environment, the business license, as an important commercial document, carries the company's legal status and operating rights. However, manually identifying and entering information on a business license is a tedious task that is error-prone and time-consuming. Fortunately, we can use the PHP programming language and Alibaba Cloud OCR (Optical Character Recognition, optical character recognition) service to automate this process.

This article will introduce how to use PHP and Alibaba Cloud OCR to identify the legal representative information on the business license. We will use Alibaba Cloud SDK for PHP, which provides an interactive interface with Alibaba Cloud products.

Step 1: Register and activate the OCR service on Alibaba Cloud
First, you need to register an account on the Alibaba Cloud platform and activate the OCR service. In the Alibaba Cloud console, log in with your account and find the "Optical Character Recognition (OCR)" service. In the service page, you can create a new application and obtain the corresponding AppCode and AppKey. Keep these keys safe, they will be used to make API calls.

Step 2: Install Alibaba Cloud OCR SDK for PHP
Next, you need to install Alibaba Cloud OCR SDK for PHP in your PHP environment. You can complete the installation through Composer, using the following command:

composer require alibabacloud/sdk

The specific installation process will vary depending on your development environment. Please refer to the official documentation of Alibaba Cloud SDK for PHP for installation.

Step 3: Write PHP code
After installing Alibaba Cloud OCR SDK for PHP, you can write the following PHP code to use the SDK to call Alibaba Cloud OCR service:

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

use AlibabaCloudClientAlibabaCloud;
use AlibabaCloudClientExceptionClientException;
use AlibabaCloudClientExceptionServerException;
use AlibabaCloudClientResultResult;

try {
    AlibabaCloud::accessKeyClient('<Your AccessKeyId>', '<Your AccessKeySecret>')
                    ->regionId('cn-shanghai')
                    ->asDefaultClient();

    $result = AlibabaCloud::rpcRequest()
                        ->product('ocr')
                        ->version('2019-12-30')
                        ->action('RecognizeBusinessLicense')
                        ->method('POST')
                        ->options([
                            'query' => [
                                'RegionId' => "cn-shanghai",
                                'Language' => "cn"
                            ],
                            'headers' => [
                                'accept' => 'application/json',
                                'Content-Type' => 'application/x-www-form-urlencoded',
                            ],
                            'form_params' => [
                                'RegionId' => "cn-shanghai",
                                'Language' => "cn",
                                'ImageURL' => '<Your Image URL>'
                            ]
                        ])
                        ->request();

    // 解析返回的结果
    $response = $result->toArray();
    $representative = $response['Data']['Name'];

    // 输出法定代表人信息
    echo "法定代表人: " . $representative;
    
} catch (ClientException $e) {
    echo $e->getErrorMessage() . PHP_EOL;
} catch (ServerException $e) {
    echo $e->getErrorMessage() . PHP_EOL;
}

?>

Please Pay attention to the <your accesskeyid></your>, <your accesskeysecret></your> and <your image url></your> in the replacement code, which are obtained for you on Alibaba Cloud respectively. AccessKeyId, AccessKeySecret and image URL of the business license to be identified.

Step 4: Run the code and get the results
Before running the above PHP code, you need to ensure that the PHP environment is correctly configured and the cURL extension library is installed. You can verify this by running the following command:

php -m | grep curl

If the output contains the words curl, it means that the cURL extension library is installed and enabled.

After running the PHP code, you will get the name of the legal representative from the console output.

Summary:
Through PHP and Alibaba Cloud OCR service, we can easily automatically identify the legal representative information on the business license. This automated approach relieves arduous manual operations and increases accuracy and efficiency. You can also add more information extraction and processing functions based on Alibaba Cloud OCR according to specific needs to meet different business needs.

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