NoN Production WP Virus Scan

<?php
/*
 * 1. Сканируем всю корневую директорию +
 * 2. Ищем файлы без расширений и неизвестных форматов +
 * 3. Проверяем папки на содержимое в поисках вирусов
 * 4. Проверяем размеры файлов
 */
class wpStructure{
    public static $data=array(
        "wp-admin"=>array(
            "type"=>"folder",
            "normalExt"=>array("htaccess","php"),
            "child"=>array(
                "css"=>array(
                    "type"=>"folder",
                    "normalExt"=>array("css"),
                    "child"=>array(
                        "colors"=>array(
                            "type"=>"folder",
                            "normalExt"=>array("scss"),
                            "child"=>array()
                        ),
                    ),
                ),
            )
        ),
    );
}
class check{
    private static $data=array();
    private static $parentDir=".";
    private static $normalExt=array(
        "htaccess","md","db",
        "css","scss",
        "ico","png","jpg","jpeg","gif",
        "svg","psd","swf",
        "mp4","avi","mp3","ogg","wav",
        "js","php","txt","htm","html","rtf","pdf",
        "csv","xml","json","sql",
        "ini","dat","002","icc","crt","ds_store",
        "ttf","eot","woff","otf",
        "mo","po","pot","xap",
        "gz",
    );
    private static $badNames=array(
        "global",
    );
    private static $badWords=array(
        "eval","base64_decode","base64_encode","gzinflate","str_rot13","exec","mail"
    );
    private static $normalFiles=array("Makefile");
    private static $typeErrors=array(
        1=>"Возможный вирус",
        2=>"Неизвестный формат",
    );
    public static $errors=array();

    private static function parseSite($path,$isRoot=false){
        $pathFiles=scandir($path);
        foreach($pathFiles as $key=>$value){
            if(!in_array($value,array(".","..",".idea","@ban","parser.php"))){
                $file=explode(".",$value);
                if(count($file)==1 && !is_dir($path.$value) && !in_array($value,self::$normalFiles)){
                    $fileData=pathinfo($path.$value);
                    if(!isset($fileData["extension"])){
                        $filename=$fileData["dirname"]."/".$fileData["filename"];
                        $fileInfo=self::fileInfo($filename);
                        self::setErrors($fileInfo,1);
                    }
                }
                if(!isset($file[1]) && !$isRoot){
                    $value=$path.$value;
                }else{
                    if(count($file)>1){
                        $ext=strtolower($file[count($file)-1]);
                        if(!in_array($ext,self::$normalExt)){
                            $fileInfo=self::fileInfo($value);
                            self::setErrors($fileInfo,2);
                        }
                    }
                }
                if(is_dir($value)){
                    $fullPath=$isRoot?"./{$value}/":"{$value}/";
                    self::$data[$fullPath]=array();
                    self::parseSite($fullPath);
                }else{
                    $path=$isRoot?"./":$path;
                    $fullPath=$path.$value;
                    self::$data[$path][]=$fullPath;
                }
            }
            unset($key,$value);
        }
    }

    private static function fillArray($data){
        $outArray=array();
        foreach($data as $key=>$value){
            $keys=explode("/",$key);
            $keys=array_slice($keys,0,count($keys)-1);
            $outArray=self::setElements($outArray,$keys,$value);
            unset($key,$value);
        }
        return $outArray;
    }

    private static function setElements(&$array,$key,$value,$layer=1){
        $current=$key[$layer-1];
        if(!isset($array[$current])){
            $array[$current]=array();
        }
        if($layer==count($key)){
            $array[$current]=$value;
        }else{
            $array[$current]=self::setElements($array[$current],$key,$value,$layer+1);
        }
        return $array;
    }

    private static function setErrors($fileInfo,$type=null){
        if(!empty($type)){
            $fileInfo["type"]=self::$typeErrors[$type];
        }
        self::$errors[]=$fileInfo;
    }

    public static function setTable($isClosed=false){
        echo $isClosed?"</table>":"<table>";
    }

    public static function fileInfo($file){
        $fileInfo=array();
        $fileInfo["file"]=$file;
        $fileInfo["date"]=date ("d.m.Y H:i:s",filemtime($file));
        $fileInfo["chmod"]=substr(sprintf("%o",fileperms($file)),-4);
        return $fileInfo;
    }

    public static function getReport($type=1){
        self::parseSite(check::$parentDir,true);
        $objData=null;
        if($type==1){
            $objData=json_decode(json_encode(check::$data),false);
        }elseif($type==2){
            $objData=json_decode(json_encode(self::fillArray(check::$data)),false);
        }
        return check::$data;
    }
}
function preDump($data){
    echo "<meta charset=\"UTF-8\">";
    echo "<pre>";
    var_dump($data);
    echo "</pre>";
}

$outData=check::getReport();
//if(!empty(check::$errors)){
//  preDump(check::$errors);
//}
//var_dump(check::getReport());
foreach($outData as $key=>$files){
    foreach($files as $file){
        $data=explode(".",$file);
        if($data[count($data)-1]=="php"){
            $text=file($file);
            $firstStrings=array();
            if(isset($text[1]) && !in_array(trim($text[1]),array("/**","/*"))){
                for($i=0;$i<=5;){
                    if(isset($text[$i])){
                        $firstStrings[$i]=$text[$i];
                    }
                    $i++;
                }
            }
            if(!empty($firstStrings)){
                $firstStrings=join("<br />",$firstStrings);
                echo "<strong>{$file}</strong><br />";
                preDump($firstStrings);
            }
        }
        unset($file);
    }
    unset($key,$files);
}