Question

To check what cookies exist i use this file (test.php):

foreach ($_COOKIE as $key => $value) {
    print $key . "=" . $value . "</br>";
}

I get the following output:

fbsr_{app id}={a bunch of chars}

(Where the stuff within {} are private data)

To remove all my sessions i use this:

session_start();
session_unset();
session_destroy();

And this to remove my cookies:

setcookie('fbsr_' . $app_id, $_COOKIE['fbsr_' . $app_id], time() - 3600);
setcookie('PHPSESSID', $_COOKIE['PHPSESSID'], time() - 3600);
unset($_COOKIE['fbsr_' . $app_id]);   
unset($_COOKIE['PHPSESSID']);

Problem is when i run the code to check if my cookies are dead, they are not, and i get the same output :/

Why are my cookies not removed? Is my code bad somewhere? tried several browsers…

EDIT:
Seems like the cookies gets destroyed after all, but the test function still prints the cookie output?!?! im confused?!

(logout file)

if($action == 'logout'){

        $app_id = $facebook->getAppID();

        if (isset($_COOKIE['fbsr_' . $app_id])) {
            echo 'goes here<br>';
            setcookie('fbsr_' . $app_id, $_COOKIE['fbsr_' . $app_id], time() - 3600, "/");
            setcookie('PHPSESSID', $_COOKIE['PHPSESSID'], time() - 3600, "/");
            unset($_COOKIE['fbsr_' . $app_id]);   
            unset($_COOKIE['PHPSESSID']);
        }

        if (isset($_COOKIE['fbsr_' . $app_id])) {
            echo 'is still sett<br>';
        }

        session_start();
        session_unset();
        session_destroy();

        $result = array("success" => "true");
    }

It never prints is still sett which means the cookie is deleted!

Thank you 🙂

Answer 1

This is a method I have used to remove cookies

if (isset($_COOKIE['cookieName'])) {
     setcookie('cookieName', '', time()-1);
}