File::directories PHP Метод

        public static function directories($directory)
        {
            return \Illuminate\Filesystem\Filesystem::directories($directory);
        }

 /**
  * Run the database seeds.
  *
  * @return void
  */
 public function run()
 {
     //
     Model::unguard();
     DB::statement('SET FOREIGN_KEY_CHECKS=0;');
     $folderpath = base_path() . '/database/seeds/templates/';
     $folders = File::directories($folderpath);
     $latest = '11232015';
     foreach ($folders as $value) {
         $_dir = explode("/", str_replace('\\', '/', $value));
         $cnt = count($_dir);
         $name = $_dir[$cnt - 1];
         $latest_date = DateTime::createFromFormat('mdY', $latest);
         $now = DateTime::createFromFormat('mdY', $name);
         if ($now > $latest_date) {
             $latest = $name;
         }
     }
     $filePath = $folderpath . $latest . '/Masterfile.xlsx';
     $reader = ReaderFactory::create(Type::XLSX);
     // for XLSX files
     $reader->open($filePath);
     DB::table('channel_items')->truncate();
     foreach ($reader->getSheetIterator() as $sheet) {
         if ($sheet->getName() == 'MKL Mapping') {
             $cnt = 0;
             foreach ($sheet->getRowIterator() as $row) {
                 if ($row[0] != '') {
                     if ($cnt > 0) {
                         // dd($row);
                         if (!ctype_digit(trim($row[4])) || !ctype_digit(trim($row[5])) || !ctype_digit(trim($row[6]))) {
                             InvalidMapping::create(['premise_code' => trim($row[0]), 'customer_code' => trim($row[1]), 'store_code' => trim($row[2]), 'sku_code' => trim($row[3]), 'ig' => trim($row[4]), 'multiplier' => trim($row[5]), 'minstock' => trim($row[6]), 'type' => 'MKL Mapping', 'remarks' => 'Invalid mapping']);
                         } else {
                             $channel = '';
                             if (trim($row[0]) != '') {
                                 $channel = Channel::where('channel_code', trim($row[0]))->first();
                             }
                             $item = Item::where('sku_code', trim($row[3]))->first();
                             if (!empty($item)) {
                                 $item_type = ItemType::where('type', "MKL")->first();
                                 $osa_tagging = 0;
                                 if (isset($row[7])) {
                                     $osa_tagging = trim($row[7]);
                                 }
                                 $npi_tagging = 0;
                                 if (isset($row[8])) {
                                     $npi_tagging = trim($row[8]);
                                 }
                                 ChannelItem::firstOrCreate(['channel_id' => $channel->id, 'item_id' => $item->id, 'item_type_id' => $item_type->id, 'ig' => trim($row[4]), 'fso_multiplier' => trim($row[5]), 'min_stock' => trim($row[6]), 'osa_tagged' => $osa_tagging, 'npi_tagged' => $npi_tagging]);
                             }
                         }
                     }
                     $cnt++;
                 }
             }
         }
     }
     $reader->close();
 }