According to the API https://core.telegram.org/bots/api

Telegram does not always return 'result', and it does.

Author: lyucean

Telegram.php

@@ -507,7 +507,7 @@ public function sendDocument(array $content)
     public function sendAnimation(array $content)
     {
         return $this->endpoint('sendAnimation', $content);
-    }	
+    }
 
     /// Send a sticker
 
@@ -3075,7 +3075,7 @@ public function getUpdates($offset = 0, $limit = 100, $timeout = 0, $update = tr
         $content = ['offset' => $offset, 'limit' => $limit, 'timeout' => $timeout];
         $this->updates = $this->endpoint('getUpdates', $content);
         if ($update) {
-            if (is_array($this->updates['result']) && count($this->updates['result']) >= 1) { //for CLI working.
+            if (array_key_exists('result', $this->updates) && is_array($this->updates['result']) && count($this->updates['result']) >= 1) { //for CLI working.
                 $last_element_id = $this->updates['result'][count($this->updates['result']) - 1]['update_id'] + 1;
                 $content = ['offset' => $last_element_id, 'limit' => '1', 'timeout' => $timeout];
                 $this->endpoint('getUpdates', $content);