public function findRealType()
    {
        $finfo = new \finfo();
        // Move file to the upload folder for checking
        $fileName = md5(microtime());
        $destination = $this->uploadDir;
        move_uploaded_file($this->tmpName, $destination.'/'.$fileName);
        $this->realType = $finfo->file($destination.'/'.$fileName, FILEINFO_MIME_TYPE);
        $this->tmpName = $destination.'/'.$fileName;


        return $this;
    }