Why callback comes several times in telegram bot?

Question

PHP

if (!empty($result['callback_query'])) {
    $chat_id = $result['callback_query']['from']['id']; 
    $callback_id = $result['callback_query']['id'];
    //file_get_contents("https://api.telegram.org/bot".$token."/answerCallbackQuery?callback_query_id=".$callback_id);
    
    $website="https://api.telegram.org/bot".$token;

    $params=[
      'callback_query_id'=>$callback_id,
      'text'=>'test',
    ];
    $ch = curl_init($website . '/answerCallbackQuery');
    curl_setopt($ch, CURLOPT_HEADER, false);
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
    curl_setopt($ch, CURLOPT_POST, 1);
    curl_setopt($ch, CURLOPT_POSTFIELDS, ($params));
    curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
    $result_q = curl_exec($ch);
    curl_close($ch);
    
    $telegram->sendMessage([
      'chat_id' => $chat_id,
      'text' => "Here is the callback ". $result_q
    ]); 
  }

Why does it come several times in a row, like I return answerCallbackQuery and should only work once?

Answer 1

Maybe before that they sent messages, the callback did not accept them and now they reach?
The message queue can be viewed in getWebhooks