How does PHP set and obtain Cookie values?

The setcookie () function of PHP is used to set the cookie.

The setcookie () function of PHP is used to set the cookie.
The setcookie () function must be called before the tag. The syntax is setcookie (name, value, expire, path, domain) for example:

Setcookie ("url", "http://www.mianwww.com", time () + 3600);?> This example creates a cookie named url with a value of "http://www.mianwww.com" and sets the expiration date to a childhood
Note: the cookie value is URLencoded during transmission and is automatically decoded upon receipt. If URLencoded is not required, you can use setrawcookie instead of the PHP $ COOKIE variable to obtain a cookie value. in the following example, the cookie value named url is obtained and displayed on the page: