ciancio bastianazzo il dog

<?php
if (isset($_GET['id']) and isset($_GET['psw']) or isset($_COOKIE['id']) and isset($_COOKIE['psw'])) {
	echo"ciao";
	if (isset($_GET['id']) and isset($_GET['psw'])){
		$id=$_GET['id'];
		$psw=$_GET['psw'];}
		else{
			$id=$_COOKIE['id'];
			$psw=$_COOKIE['psw'];}
}else{
	$id=$psw="";
	echo"
	<html>
<h1 align='center'>Login</h1>
<form action='login.php' method='GET'>
inserisci nome utente:<input type='text' name='id'/>
<br>
inserisci la password<input type='password' name='psw'/>
<input type='submit' value='Login'/>
<br>
</form>
</html>
	";

}

if($id=="prova" and $psw=="prova"){
setcookie("id", $id, time()+5000);
setcookie("psw", $psw, time()+5000);
echo "<h5>Benvenuto</h5>".$id." ".$psw;
echo"<form action='login.php' method='POST'>";
echo"<input type='submit' name='Logout' value='Logout'/>";
echo"</form>";

}
if(isset ($_POST['Logout']))
{
	$id=$psw="";
	setcookie("id", $id, time()+0);
	setcookie("psw", $psw, time()+0);
	header("refresh:0;url=login.php");}

?>