<?php
    include 'koneksi.php';
    if(isset($_POST['submit'])){
        $username = $_POST['username'];
        $password = $_POST['password'];

        $query = "SELECT * FROM users";
        $hasil = mysql_query($query);
        $data  = mysql_fetch_array($hasil);

        if($username == $data['username'] && $password == $data['password']){

            $_SESSION['username'] = $data['username'];
            $_SESSION['password'] = $data['password'];
            $_SESSION['nama_lengkap'] = $data['nama_lengkap'];
            $_SESSION['status'] = $data['status'];

            echo "<script> alert('Login Berhasil') </script>";

        }else{
            echo "<script> alert('Login Gagal') </script>";
        }
    }
 ?>
<form>
    <input type="text" name="username" placeholder="Username"><br>
    <input type="text" name="password" placeholder="Password"><br>
    <input type="submit" name="login" value="Login">
</form>