Co si myslite o tomto kodu ?

Co si myslite o tomto kodu ?Obsahova cast
---

<?php
// def. stranka
if (!$_GET["pageID"])
{
header("location:?pageID=2&ln=cz");
exit();
}

// Nahraje stranku
$page->LoadPage($_GET["pageID"]);
// A vlozi soubor pokud existuje
if (Is_file("pages/".$_GET[pageID].".php"))
include_once("pages/".$_GET[pageID].".php");
?>


</div> <!-- levej content end -->

<div class="right"> <!-- pravej content start -->

<div class="r_menu">
<?php
echo $page->ReturnHref(2);
echo $page->ReturnHref(3);
echo $page->ReturnHref(4);
echo $page->ReturnHref(5);
?>
</div> <!-- /r_menu -->

<div class="r_registrace">
<h1>registrace</h1>
<div style="width: auto; margin-left: 8px; margin-top: 5px; line-height: 140%;">
<?php
$page->LoginBox();
?>
</div>
</div>


--- Zakladni cast

// Db
$db=new DB("localhost","root", "", "database");
$db->query("SET NAMES CP1250");
$page=new page(&$db);

// Eshop
$shop=new Shop(&$db);
$shop->lang=$page->lang;

// Pridani zbozi do kosiku
if($_POST["AddProduct"])
$shop->AddProduct();

// Odstrani zbozi z kosiku
if($_GET["DelProduct"])
$shop->DropProduct($_GET["productID"]);

// Odstrani zbozi z kosiku
if(isset($_GET["Change"]))
$shop->ChangeQuantityProduct();


// Sestaveni HTML podoby webu
include("include/HtmlHeader.php");
include("include/HtmlFooter.php");