Learning example of setting session value and cookies in php_PHP tutorial

Step one: First write a login page and a content page locally (you can only enter after logging in). The code is roughly as follows:

The following is login.php, which is used to request login. Parameters are passed through post. If the login is successful, the session will be registered.

Copy code The code is as follows:

session_start();

if (isset($_POST['username'])) {
$username = $_POST['username'];
$password = $_POST['password'];

if ($username == 'admin' && $password == 'admin') {
$_SESSION['username'] = $username;
echo "";
} else {
                                                                                                                                                                                                                    ; ;body>