Сортировка и размер страницы через конфиг

src/.env.example

@@ -5,3 +5,5 @@ TWIG_DEBUG=0
 FLIGHT_CASE_SENSITIVE=0
 FLIGHT_HANDLE_ERRORS=1
 FLIGHT_LOG_ERRORS=1
+PAGE_SIZE=10
+SORT_BY=

src/app/Controllers/HomeController.php

@@ -18,6 +18,15 @@ class HomeController extends Controller
         $this->ini = new PlaylistProcessor();
     }
 
+    /**
+     * @return int
+     */
+    protected function getPageSize(): int
+    {
+        $size = config('app.page_size');
+        return empty($size) || $size < 5 || $size > 100 ? 10 : $size;
+    }
+
     /**
      * @throws Exception
      */
@@ -28,11 +37,12 @@ class HomeController extends Controller
             Flight::redirect(base_url($id));
             die;
         }
-        $per_page = 10;
+        $per_page = $this->getPageSize();
-        $list = $this->ini->playlists
+        $list = $this->ini->playlists->where('redirect_id', null);
-            ->where('redirect_id', null)
+        if (config('app.sort_by')) {
-            // ->sortBy('id')
+            $list = $list->sortBy(config('app.sort_by'));
-            ->forPage($page, $per_page);
+        }
+        $list = $list->forPage($page, $per_page);
         view('list', [
             'updated_at' => $this->ini->updatedAt(),
             'count' => $this->ini->playlists->count(),

src/app/Core/PlaylistProcessor.php

@@ -49,7 +49,7 @@ final class PlaylistProcessor
         return $code < 400;
     }
 
-    protected function fetch(string $id)
+    protected function fetch(string $id): array
     {
         $curl = curl_init();
         curl_setopt_array($curl, [

src/config/app.php

@@ -26,5 +26,7 @@ return [
             // 'CP866',
             // 'ISO-8859-5',
         ],
+        'page_size' => (int)(env('PAGE_SIZE', 10)),
+        'sort_by' => env('SORT_BY'),
     ],
 ];