<?php <BR>session_start(); <BR>$k=$_GET['k']; <BR>$t=$_GET['t']; <BR>$allowTime = 1800;//防刷新时间 <BR>$ip = get_client_ip(); <BR>$allowT = md5($ip.$k.$t); <BR>if(!isset($_SESSION[$allowT])) <BR>{ <BR>$refresh = true; <BR>$_SESSION[$allowT] = time(); <BR>}e<div style="color:transparent">本&文来源gaodai^.ma#com搞#代!码网</div><strong>搞gaodaima代码</strong>lseif(time() - $_SESSION[$allowT]>$allowTime){ <BR>$refresh = true; <BR>$_SESSION[$allowT] = time(); <BR>}else{ <BR>$refresh = false; <BR>} <BR>?> <BR>