<?php
/****************************************************************
*Author: Ovidiu EFTIMIE
*Copyright:Ovidiu EFTIMIE
*Last modified:Friday, November 03, 2000 10:43:17 AM
*Description : Checks an array to see if it contains invalid chars
*****************************************************************/
class paranoia{
var $wrongParams=false;
var $para=array("~","`","!","@","#","\$","%","^","&","*","(",")","_","-","+","=","|",
"\\","{","}",":",";","\"","'",",","<",".",">","?","/");
/**************************************************
*Class constructor
*Params : $paramsArray - the array containing the data to be checked
***************************************************/
function paranoia($paramsArray){
reset($this->para);
$this->wrongParams=false;
while(list($k,$postvars)=each($paramsArray)){
if(is_array($postvars)){
while(list($r,$postvals)=each($postvars)){
while(list(,$val)=each($this->para)){
$wrong=strchr($postvals,$val);
if(!empty($wrong)){
$this->wrongParams=true;
}
}
}
}else{
while(list(,$val)=each($this->para)){
$wrong=strchr($postvars,$val);
if(!empty($wrong)){
$this->wrongParams=true;
}
}
reset($this->para);
}
}
return $this->wrongParams;
}
/*******************************************************
*Checks to see the invalid chars
********************************************************/
function checkParanoia(){
echo date("d M Y H:i:s",time())."<br>Checking paranoia chars...<br><br>";
while(list($d,$r)=each($this->para)){
echo $d.". <b>".$r."</b> = <b>".ord($r)."</b><br>";
}
}
/********************************************************
*Redirecting function
********************************************************/
function sendBack(){
echo '<html><head><title></title></head><body onLoad="javascript:history.back(-1);"></body></html>';
}
}
?> |
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