How to send SMS verification code when user logs in in PHP

How to send SMS verification code when user logs in in PHP

With the rapid development of mobile Internet, SMS verification code has become an important part of user registration, login, etc. One of the common ways to verify identity. It has become a trend to ensure the security of accounts by sending SMS verification codes when users log in. In this article, I will introduce how to implement the method of sending mobile phone SMS verification codes when users log in in PHP, and provide specific code examples for reference.

The basic principle of sending SMS verification codes is to use the SMS interface of a third-party SMS service provider to send the verification code to the user's mobile phone. The following is an example based on Alibaba Cloud SMS service.

First, we need to go to the Alibaba Cloud official website to register an account and purchase SMS services. After obtaining the Access Key ID and Access Key Secret, we can use the SDK provided by Alibaba Cloud to call the interface.

1. Install Alibaba Cloud SDK
   Use Composer in PHP projects to manage dependencies. Open the command line tool, enter the project root directory, and execute the following command to install the Alibaba Cloud SDK:

composer require alibabacloud/sdk

2. Introduce the SDK
   Introduce the following code at the beginning of the code to load the Alibaba Cloud SDK :

require_once 'vendor/autoload.php';

3. Send verification code
   Next, we can use the following code example to send the SMS verification code:

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

AlibabaCloud::accessKeyClient('your-access-key-id', 'your-access-key-secret')
    ->regionId('cn-hangzhou')
    ->asDefaultClient();

try {
    $result = AlibabaCloud::rpcRequest()
        ->product('Dysmsapi')
        // 更换成实际的短信服务API
        ->version('2017-05-25')
        ->action('SendSms')
        ->method('POST')
        ->options([
            'query' => [
                'RegionId' => 'cn-hangzhou',
                'PhoneNumbers' => '13000000000',
                'SignName' => '你的签名',
                'TemplateCode' => '你的模板代码',
                'TemplateParam' => '{"code":"123456"}'
            ],
        ])
        ->request();
        
    // 打印接口返回的结果
    print_r($result->toArray());
} catch (ClientException $e) {
    echo $e->getErrorMessage() . PHP_EOL;
} catch (ServerException $e) {
    echo $e->getErrorMessage() . PHP_EOL;
}

In the code, Replace your-access-key-id and your-access-key-secret with the Access Key you applied for on Alibaba Cloud, and replace PhoneNumbers, SignName, TemplateCode and TemplateParam are your own actual parameters.

The above are the basic steps and code examples for sending SMS verification codes when users log in in PHP. In this way, we can easily integrate SMS verification codes into our login process to improve account security. At the same time, we can also customize the text message content and format as needed to adapt to different business needs.

Reference materials:

• Alibaba Cloud official documentation: https://help.aliyun.com/document_detail/55284.html
• Alibaba Cloud SDK GitHub repository: https://github.com/aliyun/openapi-sdk-php

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