Laravel-Backpack / CRUD

        }

        // if a new file is uploaded, store it on disk and its filename in the database

        if ($request->hasFile($attribute_name)) {

            foreach ($request->file($attribute_name) as $file) {

                if ($file->isValid()) {

                    // 1. Generate a new file name

                    $new_file_name = md5($file->getClientOriginalName().time()).'.'.$file->getClientOriginalExtension();

                    // 2. Move the new file to the correct path

                    $file_path = $file->storeAs($destination_path, $new_file_name, $disk);

                    // 3. Add the public path to the database

                    $attribute_value[] = $file_path;

                }

            }

        }

        $this->attributes[$attribute_name] = json_encode($attribute_value);

    }

        }

        // if a new file is uploaded, store it on disk and its filename in the database

        if ($request->hasFile($attribute_name) && $request->file($attribute_name)->isValid()) {

            // 1. Generate a new file name

            $file = $request->file($attribute_name);

            $new_file_name = md5($file->getClientOriginalName().time()).'.'.$file->getClientOriginalExtension();

            // 2. Move the new file to the correct path

            $file_path = $file->storeAs($destination_path, $new_file_name, $disk);

            // 3. Save the complete path to the database

            $this->attributes[$attribute_name] = $file_path;

        }

    }

    /**

     * Handle multiple file upload and DB storage: