session_start();
include("config.php");
$conexion = new mysqli($host_db, $user_db, $pass_db, $db_nam
if ($conexion->connect_error) {
    die("La conexion falló: " . $conexion->connect_error);
}
$username = $_POST['username'];      //read the usernamein index.html
$password = $_POST['password'];     //read the password in index.html
$sql = "SELECT * FROM $tbl_name WHERE usuario = '$username'";
$result = $conexion->query($sql);
if ($result->num_rows > 0) {
}
$row = $result->fetch_array(MYSQLI_ASSOC);
if (password_verify($password, $row['password'])) {
    $_SESSION['loggedin'] = true;
    $_SESSION['username'] = $username;
    $_SESSION['start'] = time();
    $_SESSION['expire'] = $_SESSION['start'] + (5 * 60);
    echo "Bienvenido! " . $_SESSION['username'];
    echo "<br><br><a href=panel-control.php>Panel de Control</a>";
} else {
    echo "Username or Password incorrect.";
    echo "<br><a href='../index.html'>Try Again</a>";
}
mysqli_close($conexion);