Merge pull request #1226 from TiiFuchs/drop_pending_updates

Fixed non-working drop_pending_updates in setWebhook and deleteWebhook

Author: noplanman

src/Request.php

@@ -665,7 +665,7 @@ public static function send(string $action, array $data = []): ServerResponse
      */
     protected static function addDummyParamIfNecessary(string $action, array &$data): void
     {
-        if (in_array($action, self::$actions_need_dummy_param, true)) {
+        if (empty($data) && in_array($action, self::$actions_need_dummy_param, true)) {
             // Can be anything, using a single letter to minimise request size.
             $data = ['d'];
         }

src/Telegram.php

@@ -1027,8 +1027,10 @@ public function setWebhook(string $url, array $data = []): ServerResponse
 
         $data        = array_intersect_key($data, array_flip([
             'certificate',
+            'ip_address',
             'max_connections',
             'allowed_updates',
+            'drop_pending_updates'
         ]));
         $data['url'] = $url;