Second-hand recycling website developed using PHP supports SMS subscription function

The second-hand recycling website developed using PHP supports the SMS subscription function

With the development of society and the improvement of environmental awareness, the demand for second-hand recycling websites is increasing. In second-hand recycling websites, it is essential to provide users with convenient subscription functions. This article will introduce how to use PHP to develop a second-hand recycling website that supports SMS subscription function, and provide corresponding code examples.

Step 1: Build a database

First, we need to build a database to store user subscription information. MySQL or other relational databases can be used. The following is an example MySQL database table structure:

CREATE TABLE `subscribers` (
  `id` int(11) NOT NULL AUTO_INCREMENT,
  `name` varchar(255) NOT NULL,
  `phone` varchar(20) NOT NULL,
  `email` varchar(255) NOT NULL,
  `created_at` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP,
  PRIMARY KEY (`id`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8;

Step 2: Create a subscription form

Create a subscription form on the front-end page of the website to allow users to enter their name, mobile phone number and email address and other information. The following is an example of a simple HTML form:

<form action="subscribe.php" method="post">
  <input type="text" name="name" placeholder="姓名" required>
  <input type="tel" name="phone" placeholder="手机号码" required>
  <input type="email" name="email" placeholder="电子邮箱" required>
  <button type="submit">订阅</button>
</form>

Step 3: Process the subscription request

Create a PHP file named "subscribe.php" to process the subscription request. In this file, we need to save the subscription information submitted by the user into the database, and send a text message to notify the user of successful subscription. The following is a sample PHP code:

<?php
// 连接数据库
$servername = "localhost";
$username = "your_username";
$password = "your_password";
$dbname = "your_database";

$conn = new mysqli($servername, $username, $password, $dbname);
if ($conn->connect_error) {
    die("连接失败: " . $conn->connect_error);
}

// 处理订阅请求
$name = $_POST["name"];
$phone = $_POST["phone"];
$email = $_POST["email"];

$sql = "INSERT INTO subscribers (name, phone, email)
        VALUES ('$name', '$phone', '$email')";

if ($conn->query($sql) === TRUE) {
    // 发送短信通知
    $message = "尊敬的用户，您已成功订阅我们的二手回收网站。感谢您的支持！";
    // 调用短信发送接口，示例代码略

    echo "订阅成功！";
} else {
    echo "订阅失败：" . $conn->error;
}

$conn->close();
?>

In this code, we first connect to the database, and then receive the subscription information submitted by the user through the POST method and insert it into the "subscribers" table of the database. If the insertion is successful, a text message will be sent to notify the user that the subscription is successful; if it fails, a prompt message indicating that the subscription failed will be returned.

So far, we have completed the basic operation of a second-hand recycling website developed using PHP to support the SMS subscription function. When a user submits their subscription information on the website, their data will be saved in the database, and the user will be notified of successful subscription via SMS.

Of course, this is just a simple example. Actual second-hand recycling websites have more functions that need to be developed, such as user login, item publishing, information search, etc. But through the above code examples, we can understand how to implement the subscription function and lay the foundation for the development of subsequent functions. I hope this article will be helpful to those involved in developing second-hand recycling websites.

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