1.	<?php // Script 9.5 - login.php #3
2.	/* This page lets people log into the site (almost!). */
3.	
4.	// Set the page title and include the header file:
5.	define('TITLE', 'Login');
6.	require('templates/header.html');
7.	
8.	// Print some introductory text:
9.	print '<h1>Login Form</h1>
10.		<p>Users who are logged in can take advantage of certain features like this, that, and the other thing.</p>';
11.	
12.	// Check if the form has been submitted:
13.	if ( isset($_POST['submitted']) ) {
14.	
15.		// Handle the form:
16.		if ( (!empty($_POST['email'])) && (!empty($_POST['password'])) ) {
17.		
18.			if ( (strtolower($_POST['email']) == 'me@example.com') && ($_POST['password'] == 'testpass') ) { // Correct!
19.		
20.				// Do session stuff:
21.				session_start();
22.				$_SESSION['email'] = $_POST['email'];
23.				$_SESSION['loggedin'] = time();
24.				
25.				// Redirect the user to the welcome page!
26.				ob_end_clean(); // Destroy the buffer!
27.				header ('Location: welcome.php');
28.				exit();
29.			
30.			} else { // Incorrect!
31.		
32.				print '<p>The submitted email address and password do not match those on file!<br />Go back and try again.</p>';
33.			
34.			}
35.		
36.		} else { // Forgot a field.
37.		
38.			print '<p>Please make sure you enter both an email address and a password!<br />Go back and try again.</p>';
39.			
40.		}
41.	
42.	} else { // Display the form.
43.	
44.		print '<form action="login.php" method="post">
45.		<p>Email Address: <input type="text" name="email" size="20" /></p>
46.		<p>Password: <input type="password" name="password" size="20" /></p>
47.		<p><input type="submit" name="submit" value="Log In!" /></p>
48.		<input type="hidden" name="submitted" value="true" />
49.		</form>';
50.	
51.	}
52.	
53.	require('templates/footer.html'); // Need the footer.
54.	?>