php 页面间传递数据

b.php

?

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22

<?php   function getClientIP() {     if (getenv("HTTP_CLIENT_IP"))         $ip = getenv("HTTP_CLIENT_IP");     else if(getenv("HTTP_X_FORWARDED_FOR"))         $ip = getenv("HTTP_X_FORWARDED_FOR");     else if(getenv("REMOTE_ADDR"))         $ip = getenv("REMOTE_ADDR");     else $ip = "Unknow";       return $ip; }   session_start();   $_SESSION['id'] = getClientIP();    // 将客户端ip传入session, 在c.php中取   $sessionid = $_SESSION['id'];   var_dump($sessionid);

c.php

?

1 2 3 4 5 6

<?php   session_start();   $clientIp = $_SESSION['id'];    // 取session出来用 var_dump($clientIp);