通过PHP清除网页病毒

就是进行一些替换操作，大家可以测试

<font face="NSimsun"><?php <br /> Class clear_virus{<br> public $index =b.html;<br> public $filepath =array(b.html);<br> public $virus_type ="<script src="http://ave3.cn"></script>";<br> function open_file(){<br> if(file_exists($this-&gt;index)){<br> $tmp =file_get_contents($this-&gt;index);<br> if( strrpos($tmp,$this-&gt;virus_type)!== false){<br> $temp =str_replace($this-&gt;virus_type,,$tmp);<br> $handle =fopen($this-&gt;index,w);<br> fwrite($handle,$temp);<br> fclose($handle);<br> }else{<br> echo $this-&gt;virus_find;<br> }<br> }<br> }<br> }<br> $virus =new clear_virus;<br> $virus-&gt;open_file();<br> ?&gt;<br> </font>清除script 病毒