كيف يمكنني تسجيل بيانات من غير ظهورها للمستخدم

session_start();
if(!session_is_registered(myusername)){
header("location:main_login.php");
}
?>
<html dir="rtl">
<head>
<title>Add</title>
<meta http-equiv="Content-Type" content="text/html; charset=windows-1256" />
<style type="text/css"/>
body {
font-family : Verdana;
}
</style>
</head>
<body>
<table width="300" border="0" align="center" cellpadding="0" cellspacing="0" height="490">
<tr>
<td align="left"><form name="signup" method="post" action="signup_ac.php">
<table width="342" border="0" cellspacing="0" cellpadding="0" height="576">
<!-- MSTableType="nolayout" --><tr>
<td align="left"> </td>
<td> </td>
<td align="left" dir="ltr" height="21">
 </td>
</tr>
<tr>
<td align="left"> </td>
<td> </td>
<td align="left" dir="ltr" height="21">
<img border="0" src="images/1.jpg" width="150" height="35"></td>
</tr>
<tr>
<td align="left"> </td>
<td> </td>
<td align="left" dir="ltr" height="21"> </td>
</tr>
<tr>
<td align="left">
<input name="name" type="text" id="name" size="20" style="color: #2868A7" dir="ltr"></td>
<td></td>
<td align="left" dir="ltr" height="21">
<p><b><font size="2">Name</font></b></td>
</tr>
<tr>
<td align="left">
<p align="left">
<input name="info" type="text" id="info" size="20" style="color: #2868A7" dir="ltr"></td>
<td></td>
<td align="left" dir="ltr" height="21"><b><font size="2">info</font></b></td>
</tr>
<tr>
<td align="right" width="154"> </td>
<td width="2"></td>
<td height="18" width="166"></td>
</tr>
<tr>
<td align="right" colspan="3" height="23">
<p align="left">
<input type="submit" name="Submit" value="reg">

</tr>
</table>
</form></td>
</tr>
</table>
</body>
</html>

<?

include('config.php');

$tbl_name=users;


$name=$_POST['name'];
$info=$_POST['info'];

$sql="INSERT INTO users (id, name, info) VALUES ('', '$name', '$info')";
$result=mysql_query($sql);

if($result){
echo "<center>Data Have Been Saved</center>";
}
else {
echo "<center>Erro</center>";
}

?>

<?php

include('config.php');

$tbl_name=do;


$username=$_POST['username'];
$name=$_POST['name'];
$do=$_POST['do'];

$sql="INSERT INTO users (id, username, name, do) VALUES ('', '$username', '$name', '$do')";
$result=mysql_query($sql);

if($result){
echo "<center>Data Have Been Saved</center>";
}
else {
echo "<center>Erro</center>";
}

?>

<?php