php 防注入_PHP
Release: 2016-06-01 12:25:40
Original
897 people have browsed it
CODE |
-
/*************************
- 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
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