move_uploaded_file se neprovede

 if (isset($_FILES))
        {
            if ($_FILES['uploaded_file']['error'] == 0)
            {
                $uploaded_file_name = $_FILES['uploaded_file']['name'];
                $uploaded_file_name = trim($uploaded_file_name);
                $uploaded_file_name = str_replace(' ', '_', $uploaded_file_name);
                $uploaded_file_temp = $_FILES['uploaded_file']['tmp_name'];
                $uploaded_file_folder = $_REQUEST['folder_list'];

                if (!empty($_REQUEST['folder_new']) && $uploaded_file_folder == 0)
                {
                    $this->create_folder($this->file_folder . $_REQUEST['folder_new']);
                    $uploaded_file_folder = $this->file_folder . $_REQUEST['folder_new'];
                }
                $uploaded_file_folder .= '/';
                echo $uploaded_file_folder;
                if(move_uploaded_file($uploaded_file_name,$uploaded_file_folder))
                {
                    echo "succ";
                }
                else
                {
                    echo "fail";
                }
            }
            $this->message = $this->check_error_file_upload($_FILES['uploaded_file']['error']);
        }

move_uploaded_file()

error_reporting(E_ALL);
ini_set('display_errors', 1);