delete or clear cookie using javascript or php [duplicate]

Question

I want to javascript or php script delete the cookie that i was set up with javascript now i want to delete that cookie.

here this is my javascript:

<script type="text/javascript">
    var url = window.location.hash;
    var result = url.split('?');
    var advertise = result[1].split("&");
    var id = advertise[0].split("=");
    document.cookie = "update_id=" + id[1];
    var name = advertise[1].split("=");
    document.cookie = "update_name=" + name[1];
</script>

how to delete or clear this cookie using javascript or php code.

document.cookie = 'update_name=;expires=Thu, 01 Jan 1970 00:00:01 GMT;'; check this answer: stackoverflow.com/a/10593045/921204 — techfoobar
– techfoobar, Commented Mar 16, 2013 at 7:34
this cookie stored to update data in database , after updated i want to delete this cookie immediately.so next time i will get new cookie. — phireak
– phireak, Commented Mar 16, 2013 at 7:36
after clicked submit button i want delete it immediately..if not yet delete it , it will get the old cookie name . so it will duplicate data when i save it into my database. — phireak
– phireak, Commented Mar 16, 2013 at 8:36

Dead Man · Accepted Answer · 2013-03-16 07:36:44Z

1

You can do like this in JavaScript :

Just call delete_cookie function by passing your cookie name.

function delete_cookie(cookie_name)
{
  var cookie_date = new Date ( );  // current date & time
  cookie_date.setTime (cookie_date.getTime() - 1);
  document.cookie = cookie_name += "=; expires=" + cookie_date.toGMTString();
}

You can do like this in PHP :

setcookie("cookie_name", "", time()-3600);

answered Mar 16, 2013 at 7:36

Dead Man

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