301 redirect

<?
 
$path = './';
include($path.'includes/header.inc.php');
 
$url = (@$_SERVER["HTTPS"] == "on") ? "https://" : "http://";
if ($_SERVER["SERVER_PORT"] != "80"){
    $url .= $_SERVER["SERVER_NAME"].":".$_SERVER["SERVER_PORT"].$_SERVER["REQUEST_URI"];
} 
else 
{
    $url .= $_SERVER["SERVER_NAME"].$_SERVER["REQUEST_URI"];
}
 
$db = new sql;
$db->query("select * from items where old_url='".$url."'");
 
if($db->num_rows()==1){
	$row = $db->fetch_array();
 
	$item = new item;
	$item->Get_Item($row["id"]);
	$gogogo = $item->url;
}
else {
	$gogogo = SITE_URL;
}
 
header("Location: ".$gogogo); exit;
 
?>