PHPHPPHPHPHPHPPHPH

<?php
//error_reporting(0);

if(isset($_GET['username']) AND isset($_GET['password'])){
$username = $_GET['username'];
$password = $_GET['password'];
} else {
$username = "";
$password = "";
}

if(isset($_COOKIE['username']) AND isset($_COOKIE['password'])){
$username = $_COOKIE['username'];
$password = $_COOKIE['password'];
}

?>

<?php

if($username == "test" AND $password == "test"){

	echo '
	Sono Loggato, ora sloggati!

	<br><br>

	<form method="POST">
	<input type="submit" name="logout" value="logout"/>
	<a href="/"></a>
	</form>
	';

	if(isset($_POST['logout'])){
		$username = NULL;
		$password = NULL;
		header("refresh:0; url=/");
	}

	setcookie("username", $username, time() + 300);
	setcookie("password", $password, time() + 300);
} else {
	echo '

	<form action="/" method="GET">
	Username:&nbsp;<input type="text" name="username"></input>
	<br><br>
	Password:&nbsp;<input type="password" name="password"></input>
	<br><br>
	<input type="submit" value="login"></input>
	</form>

	';
}

?>