login.php<!DOCTYPE html><html><head> <title>Login dan Register</title> <link rel=”stylesheet” href=”https://stackpath.bootstrapcdn.com/bootstrap/4.5.2/css/bootstrap.min.css”></head><body> <div class=”container”> <div class=”row”> <div class=”col-md-6″> <h2>Login</h2> <form action=”proses_login.php” method=”post”> <div class=”form-group”> <label>Username</label> <input type=”text” name=”username” class=”form-control”> </div> <div class=”form-group”> <label>Password</label> <input type=”password” name=”password” class=”form-control”> </div> <button type=”submit” class=”btn btn-primary”>Login</button> </form> </div> </div> </div></body></html> register.php<!DOCTYPE html>
<html>
<head>
<title>Login dan Register</title>
<link rel=”stylesheet” href=”https://stackpath.bootstrapcdn.com/bootstrap/4.5.2/css/bootstrap.min.css”>
</head>
<body>
<div class=”container”>
<div class=”row”>
<div class=”col-md-6″>
<h2>Register</h2>
<form action=”proses_register.php” method=”post”>
<div class=”form-group”>
<label>Username</label>
<input type=”text” name=”username” class=”form-control”>
</div>
<div class=”form-group”>
<label>Password</label>
<input type=”password” name=”password” class=”form-control”>
</div>
<div class=”form-group”>
<label>Email</label>
<input type=”email” name=”email” class=”form-control”>
</div>
<button type=”submit” class=”btn btn-primary”>Register</button>
</form>
</div>
</div>
</div>
</body>
</html> proses_login.php <?phpinclude(“config.php”);if ($_SERVER[“REQUEST_METHOD”] == “POST”) { $username = $_POST[‘username’]; $password = $_POST[‘password’]; $sql = “SELECT * FROM users WHERE username=’$username’ AND password=’$password'”; $result = mysqli_query($conn, $sql); if (mysqli_num_rows($result) == 1) { // login berhasil echo “Login berhasil!”; } else { // login gagal echo “Login gagal. Username atau password salah.”; }}?>proses_register.php<?phpinclude(“config.php”);if ($_SERVER[“REQUEST_METHOD”] == “POST”) { $username = $_POST[‘username’]; $password = $_POST[‘password’]; $email = $_POST[‘email’]; // Cek apakah username sudah terdaftar $sql_check = “SELECT * FROM users WHERE username=’$username'”; $result_check = mysqli_query($conn, $sql_check); if (mysqli_num_rows($result_check) > 0) { echo “Username sudah terdaftar!”; } else { // Insert data user baru $sql_insert = “INSERT INTO users (username, password, email) VALUES (‘$username’, ‘$password’, ‘$email’)”; if (mysqli_query($conn, $sql_insert)) { echo “Registrasi berhasil!”; } else { echo “Error: ” . $sql_insert . “<br>” . mysqli_error($conn); } }}?>Buatlah tabel users pada database
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