Get或Post提交值的非法数据处理_PHP
Get或Post提交值的非法数据处理
//********************************************************
//-- 程序名称:StrSwap V1.01
//-- 程序编写:[email]cngift@163.com[/email]
//-- 完成: 2002-8-1
//-- 程序用途:Get或Post提交值的非法数据处理
//-- 备注: 本程序需要加载在所有程序处理前使用,以便自动进行
//-- 程序中使用的变量的替换
//-- 由于发现严重BUG紧急升级
//-- Copyright By cngift ◎ 2002
//********************************************************
class StrSwap{
//当以Get方式提交变量时用于连接变量的连接符
var $GetSplitStr = "&&";
var $TempArray = array();
var $VariableArray = array();
//********************************************************
//-- 程序名称:Main()
//-- 程序用途:本类的默认运行方式
//-- 传入参数:无
//********************************************************
function Main(){
global $REQUEST_METHOD;
if("GET"==$REQUEST_METHOD){
$this->SubGetStrToArray();
}
if("POST"==$REQUEST_METHOD){
$this->SubPostStrToArray();
}
$this->GlobalVariable();
}
//********************************************************
//-- 程序名称:SubGetStrToArray()
//-- 程序用途:当变量以Get方式提交时所调用的方法
//-- 传入参数:无
//********************************************************
function SubGetStrToArray(){
global $QUERY_STRING;
$this->TempArray = explode($this->GetSplitStr,$QUERY_STRING);
for($i=0;$i
$temp = explode('=',$this->TempArray[$i]);
$this->VariableArray[$i][0] = $temp[0];
$this->VariableArray[$i][1] = $this->StrReplace($temp[1]);
}
}
//********************************************************
//-- 程序名称:SubPostStrToArray()
//-- 程序用途:当变量以POST方式提交时所调用的方法
//-- 传入参数:无
//********************************************************
function SubPostStrToArray(){
global $_POST;
reset($_POST);
for($i=0;$i
$this->VariableArray[$i][0] = key($_POST);
$this->VariableArray[$i][1] = $this->StrReplace($_POST[key($_POST)]);
next($_POST);
}
}
//********************************************************
//-- 程序名称:StrReplace()
//-- 程序用途:替换变量中的非法字符
//-- 传入参数:变量值
//********************************************************
function StrReplace($str){
$str = StripSlashes($str);
$str = str_replace(chr(92),',$str);
$str = str_replace(chr(47),',$str);
$str = str_replace(chr(10).chr(13),"
",$str);
$str = str_replace('$str = str_replace(';',";",$str);
$str = str_replace('"',"“",$str);
$str = str_replace("'","‘",$str);
$str = str_replace(" "," ",$str);
$str = str_replace("/**/"," ",$str);
return trim($str);
}
//********************************************************
//-- 程序名称:GlobalVariable()
//-- 程序用途:声明变量为全局变量方便其他程序调用
//-- 传入参数:无
//********************************************************
function GlobalVariable(){
for($i=0;$i
global $$this->VariableArray[$i][0];
${$this->VariableArray[$i][0]} = $this->VariableArray[$i][1];
}
}
}
?>

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