index.php

<?php
    include "koneksi.php";
    include "include/session_check.php";
?>

<!DOCTYPE html>
<html>
<head>
    <title>Login</title>
</head>
<body>
    <center>
        <form action="" method="post">
            <h1>Login</h1>
            <input type="text" name="username"><br>
            <input type="password" name="password"><br>
            <input type="submit" name="login" value="LOGIN">
        </form>
    </center>
</body>
</html>


<?php
if(isset($_POST['login'])){
    $username = $_POST['username'];
    $password = $_POST['password'];

    $test = mysql_query("SELECT * FROM pegawai WHERE username ='$username' and password = '$password'");

    if(mysql_num_rows($test) == TRUE){
        $fetch = mysql_fetch_array($test);
        $_SESSION['username']  = $fetch['username'];
        $_SESSION['id_jabatan'] = $fetch['id_jabatan'];

        if ($_SESSION['id_jabatan']==1) {
            $_SESSION['nama_p']=$fetch['nama_p'];
            header("location:admin/index.php");
        } else {
            $_SESSION['nama_p']=$fetch['nama_p'];
            header("location:entry/index.php");
        }


    }else{
      echo ("<script language='JavaScript'>
             window.alert('Gagal Login , Ulangi!!')
             window.location.href='index.php'
             </script>");
    }
}
?>