php设置cookie和删除cookie

设置cookie

Example : 
- set - 

<?php setcookie( "name", "value", "future_timestamp", "path", "domain" ); ?> 

- delete - 

<?php setcookie( "name", "value", "past_timestamp", "path", "domain" ); ?> 

手册： 

http://php.net/manual/zh/function.setcookie.php