Remove a cookie

Question

When I want to remove a Cookie I try

unset($_COOKIE[\'hello\']);

I see in my cookie browser from firefox that the cookie still exists. How

Answer 1

See the sample labelled "Example #2 setcookie() delete example" from the PHP docs. To clear a cookie from the browser, you need to tell the browser that the cookie has expired... the browser will then remove it. unset as you've used it just removes the 'hello' cookie from the COOKIE array.