php cookies
//Cookies
//Cookies are stored on the client side. cookies are not as secure as sessions
//and it is recommended that you use sessions as much as possible.
//save addional information as an array in a cookie
<?php
$user = ['name' => 'Brad', 'email' => '[email protected]', 'age' = 35];
$user = serialize($user);
setcookie('user', $user, time() + (86400 *30));
$user = unserialize($_COOKIE['user']);
echo $user['name'];