手机注册 php

<?php
// 数据库连接
$servername = "localhost";
$username = "username";
$password = "password";
$dbname = "myDB";

$conn = new mysqli($servername, $username, $password, $dbname);

if ($conn->connect_error) {
    die("连接失败: " . $conn->connect_error);
}

// 获取用户提交的手机号码
$phone = $_POST['phone'];

// 验证手机号码格式
if (!preg_match("/^1[3-9]\d{9}$/", $phone)) {
    echo "手机号码格式不正确";
    exit();
}

// 发送验证码（假设使用第三方短信服务）
$code = rand(100000, 999999);
// 这里调用第三方短信服务API发送验证码
// sendSms($phone, $code);

// 将手机号码和验证码保存到数据库
$sql = "INSERT INTO verification_codes (phone, code) VALUES ('$phone', '$code')";
if ($conn->query($sql) === TRUE) {
    echo "验证码已发送，请查收";
} else {
    echo "Error: " . $sql . "<br>" . $conn->error;
}

$conn->close();
?>