lib

<?php

    session_start();

    function base_url () {
        return "http://localhost/pwpb_19/index.php";
    }

    function flash($tipe, $pesan = '') {
        if (empty($pesan)) {
            $pesan = @$_SESSION[$tipe];
            unset($_SESSION[$tipe]);
            return $pesan;
        }
        else {
            $_SESSION[$tipe] = $pesan;
        }
    }

    function cekLogin() {
        $username = @$_SESSION['username'];
        $level    = @$_SESSION['level'];

        if (empty($username) AND empty($level)) {
            header("location: login.php");
        }
    }

    function sudahLogin() {
        $username = @$_SESSION['username'];
        $level    = @$_SESSION['level'];

        if (!empty($username) AND !empty($level)) {
            header("location: index.php");
        }
    }

    $host = 'localhost';
    $user = 'root';
    $pass = '';
    $db = 'pwpb_19';

    $mysqli = mysqli_connect($host, $user, $pass, $db)
            or die ('Tidak dapat koneksi ke Database');
?>