Certo. Ecco:
Codice PHP:
<?php ob_start(); ?>
<html>
<head>
<title>titolo</title>
</head>
<body>
<?php
include ('connection.inc.php');
?>
<?php
$email=$_GET['email'];
$codice=$_GET['codice'];
$query = "SELECT * FROM tabella WHERE email='$email'";
$result = mysql_query($query, $db) or die ("Errore nella query al database. $query.". mysql_error());
while ($row = mysql_fetch_array($result)){...}