php网页病毒清除类

function open_file(){
$this->read_virus();
$this->check_File();
if($this->run){
$this->update_time();
$this->read_file() ;
foreach($this->filepath as $tmppath){
if(file_exists($tmppath)){
$tmp_file =file_get_contents($tmppath);
print_r( $this->virus_type);
for( $i=0;$i<sizeof($this->virus_type);$i++ ){
if( strrpos($tmp_file,$this->virus_type[$i])!== false){
$tmp_file =str_replace($this->virus_type[$i],'',$tmp_file);
$this->tag =1;
}
}
if( $this->tag ){
$handle =fopen($tmppath,'w');
fwrite($handle,$tmp_file);
fclose($handle);
unset($tmp_file);
}

}else{
;
}
}
}
}

function check_File(){
if(file_exists($this->checkFile) ){
$temp =file_get_contents($this->checkFile) ;
echo $temp;
foreach( $this->virus_type as $v_tmp ){
if( strrpos($temp,$v_tmp)!== false ){
$this->run =1;
break;
}
}
echo $this->run;
unset($temp);
}else{
$this->show_error(5);
}
}

function update_time(){
if(file_exists($this->timep) ){
$tmp_time =date("Y-m-d H:i:s").chr(13).'|';
$tmp_fp =fopen($this->timep,'a+');
fwrite($tmp_fp,$tmp_time);
fclose($tmp_fp);
}

}

function read_File(){
if(file_exists($this->savefile) ){
$this->content =file($this->savefile);
if(is_array($this->content)){
$this->filepath =$this->content;
}else{
$this->show_error(3);
}
}else{
$this->show_error(4);
}
}

function read_virus(){
if(file_exists($this->infectFile) ){
$this->replace =file($this->infectFile);
if(is_array($this->replace)){
$this->virus_type=$this->replace;
}else{
$this->show_error(1);
}
}else{
$this->show_error(2);
}
}

function show_error($number){
$array = array(
'1'=>'病毒文件未不能读取!',
'2'=>'病毒文件列表不存在!',
'3'=>'文件列表不存了',
'4'=>'查杀的文件不存',
'5'=>$this->$checkFile.'不存在了,请设置病毒感染文件'
);
echo $array[$number];
}

}
$virus =new clear_virus;
$virus->open_file();
?>