Login Script Using Cookies

[smithster]

I've got here a very basic login script which is supposed to create a cookie. I'm having a few problems with it though. Here's what I've got...

Login.php

<?php 

if(isset($_COOKIE['username']) || $_COOKIE['password']){ 
$username = $_COOKIE['username']; 
$password = $_COOKIE['password']; 
if ($username == "test" && $password == "test"){ 
echo 'cookie logged in<br />'; 
echo 'Click <a href="logout.php">here</a> to log out'; 
} 
} 

if(isset($_POST['submit'])){ 

$username = $_POST['username']; 
$password = $_POST['password']; 

if ($username == "test" && $password == "test"){ 
setcookie("username", $username, time()+3600, "/"); 
setcookie("password", $password, time()+3600, "/"); 
echo 'logged in<br />'; 
echo 'Click <a href="logout.php">here</a> to log out'; 
} 
else { 
echo 'Log in failed'; 
} 
} 
else { 
if(!isset($_COOKIE['username'])){ 
echo '<form action="" method="POST">'; 
echo 'Username - <input name="username" type="text"><br />'; 
echo 'Password - <input name="password" type="password"><br />'; 
echo '<input name="submit" type="submit" value="Submit"><br />'; 
echo '</form>'; 
} 
} 
?>

Logout.php

<?php 
setcookie("username", "", time()-60); 
setcookie("password", "", time()-60); 
header("Location: login.php"); 
?>

I want to solve one problem at a time so here's the first one...

The login script works. A cookie is created and lasts for one hour. I can login in, close the page, go back to it and still be logged in for up to an hour from being inactive. If I try to log out myself, it doesn't seem to work. It takes me back to the login.php page where it asks me to log in again but if I close the page and reopen it, I'm still logged in. So for some reason the cookie still exists.

Any ideas what's wrong with it?!?!?

Thanks in advance.

[thetestingsite]

Logout.php:

<?php 
setcookie('username', '', time()-3600, '/'); 
setcookie('password', '', time()-3600, '/');
header("Location: login.php"); 
?>

The above code now works with your login script above.
Hope this helps.