library

<?php
    session_start();

    function base_url(){
        return "http://localhost/db_pwpb20/vLogin.php";
    }

    function flash($pesan){
        if(empty($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:vLogin.php');
        }
    }
    $host='localhost:3306';
    $user='root';
    $pass='';
    $db='db_pwpb20';s
    $mysqli= mysqli_connect($host, $user, $pass, $db) or die('Tidak dapat koneksi ke Database');
?>