i am try many things but my site cookie as not unset

Question

my site under domain like this: www.123.com/new

full site code under the new folder include index page.

i am set the cookie in in remember me click cookie is create

cookie code like this

setcookie("cookie_name",$_SESSION['useremail'],time()+3600);
setcookie("cookie_id",$_SESSION['userid'],time()+3600);

and cookie unset code on click logout button this.

if (isset($_COOKIE['cookie_id'])){
    setcookie('cookie_name','',0, '/','studentsponge.com',0);
    setcookie('cookie_id','',0, '/','studentsponge.com',0);
}

i am try multiple code for unset cookie like

if (isset($_COOKIE['cookie_id'])){
    setcookie('cookie_name','',time()-3600, '/');
    setcookie('cookie_id','',time()-3600, '/');
}

but cookie is not unset.

but i am try this code

unset($_COOKIE['cookie_name']);
unset($_COOKIE['cookie_id']);

its only unset cookie for logout page not full site

Answer 1

Are you using a

ob_start();
session_start();

at beginning of your file? It should help you.