public function upload()
 {
     $ds = DIRECTORY_SEPARATOR;
     //1
     $storeFolder = PATH_UPLOAD . 'profile/';
     //2
     extract($_POST);
     if (!empty($_FILES)) {
         $filename = Str::sanitize($_FILES['file']['name']);
         if (copy($_FILES['file']['tmp_name'], $storeFolder . $filename)) {
             $id = DB::update('users', $_SESSION['user_id'], $section, array($section => $filename));
             Image::resize_group($storeFolder, $filename);
             return array('success' => true, 'id' => $id);
         }
         return array("error" => "Could not write to fs");
     }
 }