MEMBUAT WEBSITE - FORM LOGIN DI PHP

CARA MEMBUAT FORM LOGIN DI PHP.sangat lah mudah cukup copykan kan coding di bawah ini

di Editor anda .saya biasa pakai Visual code

<?php

session_start();

require 'functions.php';

// cek cookie

if( isset($_COOKIE['id']) && isset($_COOKIE['key']) ) {

    $id = $_COOKIE['id'];

    $key = $_COOKIE['key'];

    // ambil username berdasarkan id

    $result = mysqli_query($conn, "SELECT username FROM user WHERE id = $id");

    $row = mysqli_fetch_assoc($result);

    // cek cookie dan username

    if( $key === hash('sha256', $row['username']) ) {

        $_SESSION['login'] = true;

}

}

if( isset($_SESSION["login"]) ) {

    header("Location: index.php");

    exit;

}

if( isset($_POST["login"]) ) {

    $username = $_POST["username"];

    $password = $_POST["password"];

    $result = mysqli_query($conn, "SELECT * FROM user WHERE username = '$username'");

    // cek username

    if( mysqli_num_rows($result) === 1 ) {

        // cek password

        $row = mysqli_fetch_assoc($result);

        if( password_verify($password, $row["password"]) ) {

            // set session

            $_SESSION["login"] = true;

            // cek remember me

            if( isset($_POST['remember']) ) {

                // buat cookie

                setcookie('id', $row['id'], time()+60);

                setcookie('key', hash('sha256', $row['username']), time()+60);

}

            header("Location: index.php");

            exit;

}

}

    $error = true;

}

?>

<!DOCTYPE html>

<html>

<head>

    <title>Halaman Login</title>

</head>

<body>

<h1>Halaman Login</h1>

<?php if( isset($error) ) : ?>

    <p style="color: red; font-style: italic;">username / password salah</p>

<?php endif; ?>

<form action="" method="post">

    <ul>

        <li>

            <label for="username">Username :</label>

            <input type="text" name="username" id="username">

        </li>

        <li>

            <label for="password">Password :</label>

            <input type="password" name="password" id="password">

        </li>

        <li>

            <input type="checkbox" name="remember" id="remember">

            <label for="remember">Remember me</label>

        </li>

        <li>

            <button type="submit" name="login">Login</button>

        </li>

    </ul>

</form>

</body>

</html>

UNTUK LENGKAPNYA BISA DI DOWNLOAD DI LINK GDRIVE SAYA :https://drive.google.com/file/d/1k5m0dox7FpLWEp6CSdTIpTg4JjJRV6AW/view?us

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