Multi User

bagaimana cara ngerubah yang singgle user ke multi user, jika di tambah level admin direk ke indexadmin.php dan jika level user ke indexuser.php

if ($act=='login'){ $user = esc_field($_POST[user]); $pass = esc_field($_POST[pass]);

$row = $db->get_row("SELECT * FROM tb_admin WHERE user='$user' AND pass='$pass'"); if($row){ $_SESSION[login] = $row->user; redirect_js("index.php"); } else{ print_msg("Salah kombinasi username dan password."); } } elseif($act=='logout'){ unset($_SESSION[login]); header("location:login.php"); } else if ($mod=='password'){ $pass1 = $_POST[pass1]; $pass2 = $_POST[pass2]; $pass3 = $_POST[pass3];

$row = $db->get_row("SELECT * FROM tb_admin WHERE user='$_SESSION[login]' AND pass='$pass1'");

if($pass1=='' || $pass2=='' || $pass3=='') print_msg('Field bertanda * harus diisi.'); elseif(!$row) print_msg('Password lama salah.'); elseif( $pass2 != $pass3 ) print_msg('Password baru dan konfirmasi password baru tidak sama.'); else{ $db->query("UPDATE tb_admin SET pass='$pass2' WHERE user='$_SESSION[login]'"); print_msg('Password berhasil diubah.', 'success'); } }