Clean webpage viruses through PHP_PHP tutorial

Just perform some replacement operations, you can test it

<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->index)){<br> $tmp =file_get_contents($this->index);<br> if( strrpos($tmp,$this->virus_type)!== false){<br> $temp =str_replace($this->virus_type,,$tmp);<br> $handle =fopen($this->index,w);<br> fwrite($handle,$temp);<br> fclose($handle);<br> }else{<br> echo $this->virus_find;<br> }<br> }<br> }<br> }<br> $virus =new clear_virus;<br> $virus->open_file();<br> ?><br> </font>Clear script viruses