PHP Chapter II

Cookie data is recorded in the browser, session data is recorded on the server.

Set cookies

index.php

<? PHP /*  *//cookies are stored in Requestheader//Set cookies for multiple page transfer data Setcookie(' Name ', ' Big head Son '); // jump to another page, pass the value by Get method Header ("Location:a.php?title=superman");

a.php

<? PHP /*  */echo$_cookie[' name ']; Echo ' <br/> '. $_get [' title '];

Set session

<? PHP /*  */ / use SESSION multiple pages to access data $_session[' theme '] = ' Jay Chou '; // the server clears the session Session_destroy (); Header (' location:a.php ');

a.php

<?PHP/** * Created by Phpstorm. * User:forr * date:15/9/16 * Time: PM 11:28*/Session_Start();$f=Empty($_session[' Theme ']);if($f){    Echo $_session[' Theme ']; Echo session_id();}Else{    Echo' 404 Not Found ';}

PHP Chapter II