update

app/Library/VK/Resources/GroupResource.php

@@ -0,0 +1,21 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Library\VK\Resources;
+
+use App\Library\VK\VkApiClient;
+
+class GroupResource
+{
+    public function __construct(private VkApiClient $api) {}
+
+    public function getById(string $groupId): array
+    {
+        $result = $this->api->call('groups.getById', [
+            'group_id' => $groupId,
+        ]);
+
+        return $result['response'] ?? [];
+    }
+}