Simpliest Ban System (help)

Can anyone help me with ban system please , if do I will be greatful.

Creator of Unknown

Just uses ip Remote here my script.


This part check if users banned or not
<?php
session_start();
$username = $_GET['username'];
include("database.php");
function Profile($username)
{

$result = mysql_query("SELECT * FROM users WHERE username='".$_SESSION['Username']."' and banned='Yes' LIMIT 1");
$row = mysql_num_rows($result);
if($row =="1") {
$r=mysql_fetch_array($result);
die("You are banned<br>Time: 24hour<br><a href=default.php>Back</a>");

}
}
?>

This one call the function
<?
include("Chatroom_kick.php");
kick($_SERVER['REMOTE_ADDR']);
?>

A true developer

It's actually simple if you KNEW Php.

...

Thanks got it.

Existance alludes