Pasted

<?php
//////Check Session/////////////////////////
session_start();
if(isset($_SESSION['username'])){
header('location: http://rieqyns13.net');
}
///////////////////////////////////////////
//////Check Database Connection////////////
$link = mysql_connect('localhost', 'root', '''')or die("Gagal menyambung database mas bro");
mysql_set_charset('utf8', $link);
mysql_select_db('db_name', $link);
/////////////////////////////////////////
///////Login Proccess///////////////////
if(isset($_POST['btnSubmit'])){
if(empty($_POST['txName']) || empty($_POST['txPass'])){
$msg = "Masih ada data yang kosong";
}else{
$user = $_POST['txName'];
$pass = $_POST['txPass'];
$hash = md5($pass);
$sql = mysql_query("SELECT * FROM user WHERE user='$user' AND pass='$hash'");
if(mysql_num_rows($sql)>=1){
session_start();
$sesi = $_SESSION['username'] = $user;
$msg = "Sukses login: $sesi";
echo "<meta http-equiv='refresh' content=2;URL='http://rieqyns13.net'>";
}else{
$msg = "Wrong User or Pass";
}
}
}else{
$user = ""; $hash = ""; 
}
///////////////////////////////////
?>
<html>
<head>
<meta http-equiv="Content-type" content="text/html;utf-8">
<meta name="description" content="Tools RieqyNS13">
<title>RieqyNS13-Muslim</title>
<style type="text/css">
body{
font-family:"Courier New";
color:#0F0;
text-align:center;
background-color:#000;
}
table{
margin-left:9cm;
border-width:1px;
border-style:solid;
border-color:#F00;
}
input{
background-color:#000;
border-color:#0F0;
color:#F00;
font-weight:bold;
}
input.inp{
width:190px;
}
input.btn:hover{
text-shadow:8px 8px 10px #FF0000;
opacity:1.7;
}
.msg{
font-size:12px;
}
</style>
</head>
<body>
<form action="<?php $_SERVER['PHP_SELF']; ?>" method=POST>
<table>
<tr><td>Username: </td><td><input class="inp" type=text name="txName" value=<?php echo $user; ?>></td></tr>
<tr><td>Password: </td><td><Input class="inp" type=password name="txPass" value=<?php echo $pass; ?>></td></tr>
<tr><td><input class="btn" type=submit name="btnSubmit" value="Login"></td><td class="msg"><?php echo $msg; ?></td></tr>
</table>
</form>
</body>
</html>
<?php
/* For Log Out !
session_start();
if(!isset($_SESSION['username'])){
echo "<center><h2>Anda belum login</h2></center>";
}else{
$user = $_SESSION['username'];
$des = session_destroy();
if($des){
echo "<h1>Anda sudah log out dari $user</h1>";
exit;
}} */
?>