Você procurou por: i'll be right in the past (Chinês (simplificado) - Inglês)

when deleting a cookie you should assure that the expiration date is in the past, to trigger the removal mechanism in your browser. examples follow how to delete cookies sent in previous example:
cookies names can be set as array names and will be available to your php scripts as arrays but seperate cookies are stored on the users system.

?php header("expires: mon, 26 jul 1997 05:00:00 gmt"); // date in the past header("last-modified: ". gmdate("d, d m y h:i:s")." gmt"); // always modified header("cache-control: no-store, no-cache, must-revalidate"); // http/1.1 header("cache-control: post-check=0, pre-check=0", false); header("pragma: no-cache"); // http/1.0?
mon, 26 jul 1997 05:00:00 gmt"); / / date in the past header("last-modified: ". gmdate("d, d m y h:i:s")." gmt"); / / always modified header("cache-control: no-store, no-cache, must-revalidate"); / / http / 1.1 header("cache-control: post-check=0, pre-check=0", false); header("pragma: no-cache"); / / http / 1.0?