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August 29, 2015 13:56
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| <? | |
| session_start(); | |
| function login($username, $password) { | |
| if($password == '53cr3t') { | |
| return array('username' => $username); | |
| } else { | |
| return null; | |
| } | |
| } | |
| $message = ''; | |
| if(isset($_GET['logout'])) { | |
| unset($_SESSION['user']); | |
| $message = 'Logged out'; | |
| } elseif(isset($_REQUEST['username']) && isset($_REQUEST['password'])) { | |
| $user = login($_REQUEST['username'], $_REQUEST['password']); | |
| if($user) { | |
| $_SESSION['user'] = $user; | |
| $message = 'Logged in'; | |
| } else { | |
| $message = 'Invalid username or password!'; | |
| } | |
| } | |
| ?><!DOCTYPE html> | |
| <html> | |
| <head> | |
| <title>Login!</title> | |
| </head> | |
| <body> | |
| <p><?=$message?></p> | |
| <? if(!isset($_SESSION['user'])) : ?> | |
| <form> | |
| <input name=username placeholder=Username> | |
| <input type=password name=password placeholder=Password> | |
| <button type=submit>Login</button> | |
| </form> | |
| <? else: ?> | |
| Welcome, <strong><?=$_SESSION['user']['username']?></strong>!<br> | |
| <a href=?logout=true>logout</a> | |
| <? endif; ?> | |
| </body> | |
| </html> |
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