Fixed webhook errors

Author: SebaOfficial

examples/echobot-webhook.php

@@ -8,8 +8,7 @@
 
 $update = $bot->updates();
 
-if($update->ok ?? false){
-    $update = $update->result;
+if(isset($update->update_id)){
 
     if(isset($update->message)){
         $bot->copyMessage([

src/Telegram/Updates.php

@@ -10,7 +10,13 @@ class Updates{
 
     public function __construct(?object $data){
         if($data !== NULL){
-            $this->lastUpdateID = end($data->result)->update_id ?? null;
+
+            if(isset($data->result))
+                $this->lastUpdateID = end($data->result ?? [])->update_id ?? null;
+            else
+                $this->lastUpdateID = null;
+
+
             foreach($data as $key => $value)
                 $this->$key = $value;
         }