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PHP sends HTTP request to implement batch SMS sending

May 24, 2023 am 08:42 AM
phphttp requestsend a text message

PHP is a popular web programming language used for developing dynamic web applications. PHP integrates better with HTTP requests than other programming languages, making it an ideal language for sending bulk text messages. In this article, we will introduce how to use PHP to send HTTP requests to achieve batch SMS sending.

Suppose we have an API from a telecom service provider that allows us to send SMS messages by sending HTTP requests. This API requires us to organize the request data in a specific format, including SMS recipient number, SMS content and other information. To do this, we need to build a PHP function that is responsible for organizing the data of the HTTP request and sending it to the API.

First, we need to define some constants, which include API URL, token, SMS sender name, etc. We need to define these constants in our code so that we can call them easily.

define('API_URL', 'http://example.com/api/send_sms');
define('API_TOKEN', 'abcdefg123456');
define('SENDER_NAME', 'My Company');

Next, we can start writing our main function, which will be responsible for organizing HTTP requests and sending SMS messages. We'll be using PHP's cURL library, a popular network programming library that makes it easy to send HTTP requests.

function sendSMS($recipients, $message) {
  // 构建请求数据
  $data = array(
    'token' => API_TOKEN,
    'sender' => SENDER_NAME,
    'message' => $message,
    'recipients' => $recipients
  );
  
  // 将数据编码为JSON格式
  $json = json_encode($data);
  
  // 初始化cURL
  $ch = curl_init();
  
  // 设置cURL选项
  curl_setopt($ch, CURLOPT_URL, API_URL);
  curl_setopt($ch, CURLOPT_POST, true);
  curl_setopt($ch, CURLOPT_POSTFIELDS, $json);
  curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
  curl_setopt($ch, CURLOPT_HTTPHEADER, array(
    'Content-Type: application/json',
    'Content-Length: ' . strlen($json))
  );
  
  // 执行cURL请求
  $result = curl_exec($ch);
  
  // 解析API响应
  $response = json_decode($result, true);
  
  // 检查响应状态
  if ($response['status'] != 'success') {
    throw new Exception('SMS API Error: ' . $response['message']);
  }
  
  // 返回响应数据
  return $response['data'];
}

Now we can call the sendSMS function from our code to send a text message to one or more recipients:

try {
  $recipients = array('+1234567890', '+0987654321');
  $message = 'Hello, world!';
  
  $result = sendSMS($recipients, $message);
  
  echo 'SMS sent successfully to ' . count($recipients) . ' recipients!';
} catch (Exception $e) {
  echo 'SMS API Error: ' . $e->getMessage();
}

In this example we will send a message" Hello, world!" to the mobile phone numbers of both recipients. We wrap try-catch blocks in our code to be able to catch any possible exceptions and handle them. We can easily send bulk SMS using our API by calling sendSMS function and passing receiver and message as parameters.

In this article, we introduce how to use PHP to send HTTP requests to achieve the function of sending batch SMS messages. We used constants to define the API's URL, token, and sender name, and wrote a function to build an HTTP request to send a text message to one or more recipients' mobile numbers. In this way, we can easily integrate it into our web application using PHP and HTTP requests to send bulk SMS messages.

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