Besöksräknare som räknar UNIKA besökare, ska det vara så svårt att hitta?

<?php

if(!isset($_COOKIE['visited']))
{

    $link = mysql_connect("host", "user", "password");
    mysql_select_db("database", $link);
    setcookie('visited', 'yes');
    $ip = getenv("REMOTE_ADDR");
    $date =  date('Y-m-d');
    $v_sql = "INSERT INTO counter(ip, date) VALUES ('$ip','$date')";
    $v_result = mysql_query($v_sql);
}
?>

<?php
$total_today = 0;
$total = 0;
$_unique_today[] = 0;
$_unique[] = 0;
$_days[] = 0;
$link = mysql_connect("host", "user", "password");
mysql_select_db("database", $link);
$query = "SELECT * FROM counter";
$result = mysql_query($query, $link);
while($array = mysql_fetch_array($result))
{
    if(!in_array($array['date'], $_days))
        $_days[] = $array['date'];
    if($array['date'] == date('Y-m-d'))
    {
        $total_today++;
        if(!in_array($array['ip'], $_unique_today))
            $_unique_today[] = $array['ip'];
    }
    if(!in_array($array['ip'], $_unique))
        $_unique[] = $array['ip'];
    $total++;
}
$unique = count($_unique)-1;
$unique_today = count($_unique_today)-1;
$days = count($_days)-1;
$unique_per_day = $unique/$days;
$total_per_day = $total/$days;
$unique_per_day = sprintf("%.0f", $unique_per_day);
$total_per_day = sprintf("%.0f", $total_per_day);
echo "
<pre>
   Date (today): <b>".date('Y-m-d')."</b>

   Unique visitors today: <b>$unique_today</b>
   Total visits today: <b>$total_today</b>
   Total unique visitors: <b>$unique</b>
   Total visits: <b>$total</b>

   Average number of unique visits per day: <b>$unique_per_day</b>
   Average number of visits per day: <b>$total_per_day</b>
</pre>
";
?>