https://atim.cn/index.php zh-cn https://atim.cn/post// bkkkd <partybase@gmail.com> Thu, 15 Sep 2005 07:51:13 +0000 https://atim.cn/post//
<?来源：中国防黑网

作者：三尺寒冰

简述：

/*************************
说明：
判断传递的变量中是否含有非法字符
如$_POST、$_GET
功能：
防注入
**************************/
//要过滤的非法字符
$ArrFiltrate=array("'",";","union");

//出错后要跳转的url,不填则默认前一页
$StrGoUrl="";

//是否存在数组中的值
function FunStringExist($StrFiltrate,$ArrFiltrate){
         foreach ($ArrFiltrate as $key=>$value){
                if (eregi($value,$StrFiltrate)){
                         return true;
                }

         }
         return false;
}

//合并$_POST 和 $_GET
if(function_exists(array_merge)){
         $ArrPostAndGet=array_merge($HTTP_POST_VARS,$HTTP_GET_VARS);
}else{
         foreach($HTTP_POST_VARS as $key=>$value){
                $ArrPostAndGet[]=$value;
         }
         foreach($HTTP_GET_VARS as $key=>$value){
                $ArrPostAndGet[]=$value;
         }
}

//验证开始
foreach($ArrPostAndGet as $key=>$value){
         if (FunStringExist($value,$ArrFiltrate)){
                echo "";
               if (empty($StrGoUrl)){
                       echo "";
               }else{
                       echo "";
               }
               exit;
         }

}
?>

保存为checkpostandget.php
然后在每个php文件前加include(“checkpostandget.php“);即可 ]]> https://atim.cn/post//#blogcomment <user@domain.com> Thu, 01 Jan 1970 00:00:00 +0000 https://atim.cn/post//#blogcomment