Title :
Check parameters validity. Paranoia was designed to check the validity of the parameters that a php page will receive after a form submission. It can be used to check the variables sent by POST or GET
Categories :
Algorithms , HTML and PHP , PHP , Variables
Ovidiu EFTIMIE
Date :
Feb 15th 2001
Grade :
2 of 5 (graded 4 times)
Viewed :
14753
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<?php
/****************************************************************
class paranoia {
$wrongParams = false ;
$para =array( "~" , "`" , "!" , "@" , "#" , "\$" , "%" , "^" , "&" , "*" , "(" , ")" , "_" , "-" , "+" , "=" , "|" ,
"\\" , "{" , "}" , ":" , ";" , "\"" , "'" , "," , "<" , "." , ">" , "?" , "/" );
/**************************************************
function paranoia ( $paramsArray ){
reset ( $this -> para );
$this -> wrongParams = false ;
$k , $postvars )= each ( $paramsArray )){
is_array ( $postvars )){
$r , $postvals )= each ( $postvars )){
$val )= each ( $this -> para )){
$wrong = strchr ( $postvals , $val );
$wrong )){
$this -> wrongParams = true ;
$val )= each ( $this -> para )){
$wrong = strchr ( $postvars , $val );
$wrong )){
$this -> wrongParams = true ;
reset ( $this -> para );
$this -> wrongParams ;
/*******************************************************
function checkParanoia (){
date ( "d M Y H:i:s" , time ()). "<br>Checking paranoia chars...<br><br>" ;
$d , $r )= each ( $this -> para )){
$d . ". <b>" . $r . "</b> = <b>" . ord ( $r ). "</b><br>" ;
/********************************************************
function sendBack (){
'<html><head><title></title></head><body onLoad="javascript:history.back(-1);"></body></html>' ;
?>
=================================================
<?php
require_once( "paranoia.php" );
$HTTP_POST_VARS )&&!empty( $HTTP_POST_VARS )){
$par =new paranoia ( $HTTP_POST_VARS );
$par -> wrongParams )){
// $par->sendBack();
echo "Incorrect parameters" ;
"Corect parameters" ;
?>
<html>
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