Create unset cookie button

I have created a cookie using php and now I need to create a button the user can click to log out.

This would be the php code to unset the cookie:

 unset($_COOKIE['access_token']);  

But I'm a quite stuck with how to make the button functionality. Can anyone help me with开发者_Go百科 it?

Thanks a lot

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if(isset($_GET['logout'])) {

unset($_COOKIE['access_token']);

header('Location: /');

exit;

}

on site

<a href="?logout">logout</a>

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By the way you can delete cookie by setting time in past

setcookie($_COOKIE['access_token'],'',time()-3600);

you should unset session

session_destroy()'

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It's actually best to do:

setcookie("myCookie", null, 1); //# This will expire / delete *immediately*

If you use

setcookie("myCookie", null, 0), the cookie is still valid until they close their browser.