check cookie expiration php code example
Example: cookie are not set in php
setcookie('username',$username,time()+60*60*24*365);
// 'Force' the cookie to exists
$_COOKIE['username'] = $username;
setcookie('username',$username,time()+60*60*24*365);
// 'Force' the cookie to exists
$_COOKIE['username'] = $username;