query("SELECT * FROM utenti WHERE username = '$username' AND password = MD5('$password')");
if ($result->num_rows > 0) {
$row = $result->fetch_assoc();
$_SESSION["username"] = $row["username"];
$_SESSION["ruolo"] = $row["ruolo"];
header("Location: index.php");
exit();
} else {
$message = "Credenziali non valide.";
}
}
?>
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