hello , is there something wrong with my code , why when i upload logo folders from handlers is not updating and my database also.

heres the code

$logo_image1=$_FILES['companylogo']['name'];

 if($logo_image1!='') 
   {
  
     $uploaddir="../../../engine/handlers/company_logo/";
       $uploadfile = $uploaddir.basename($_FILES['companylogo']['name']);
      move_uploaded_file($_FILES['companylogo']['tmp_name'], $uploadfile);
      $blog_image= basename($_FILES['companylogo']['name']);
    }