3.1.2 SignUp_Credit_Card1.php

<?php

$servername = "localhost"; 
$username = "root"; 
$password = "";
$dbname = "credit_card"; 

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

if ($conn->connect_error) {
    die("Connection failed: " . $conn->connect_error);
}

if ($_SERVER["REQUEST_METHOD"] == "POST") {
    $name = $_POST['name'];
    $phone = $_POST['phone'];
    $email = $_POST['email'];
    $password = $_POST['password'];
    $password1 = $_POST['password1'];

    $sql = "INSERT INTO signup_credit (name, phone, email, password, password1) VALUES (?, ?, ?, ?, ?)";
    $stmt = $conn->prepare($sql);
    $stmt->bind_param("sssss", $name, $phone, $email, $password, $password1);

    if ($stmt->execute()) {
        echo "Sign Up Successful";
    } else {
        echo "Error: " . $sql . "<br>" . $conn->error;
    }
    $stmt->close();
}
$conn->close();
?>