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<?php
/*
* Created on 2010-3-11
* author:zhangfei
*ÎÒµÄÑéÖ¤ÂëÀà
*/
session_start();
class Check_Class{
public $h_img ;
public $c_back ;
public $c_front ;
//¹¹Ô캯Êý
function Check_Class(){
$h_img = imagecreate(100,30);
......
HTML:
<META HTTP-EQUIV="pragma" CONTENT="no-cache">
<META HTTP-EQUIV="Cache-Control" CONTENT="no-cache, must-revalidate">
<META HTTP-EQUIV="expires" CONTENT="Wed, 26 Feb 1997 08:21:57 GMT">
<META HTTP-EQUIV="expires" CONTENT="0">
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header("Expires: Mon, 26 Jul 1997 ......
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