login.php

<?php

session_start();
$user = $_POST['email'];
$pass = $_POST['password'];
//============================
$dbuser = "admin@gmail.com";
$dbadmin = "admin123";
//============================
if ($user == $dbuser && $pass == $dbpass) {
    $_SESSION["gagal"] = 0;
    echo '<h1><center>LOGIN SUKSES</h1>';
    echo "<center><a href='index.php'><button>LOG OUT</button></a>";
} else {
    if (isset($_SESSION ["gagal"])) {
        $_SESSION ["gagal"] ++;
    } else {
        $_SESSION ["gagal"] = 1;
    }
    header("location:index.php");
}