/* inlinekeyboard */
      $keyboard_buttons = [
        new InlineKeyboardButton(['text' => $ico_enab.' Enabled', 'callback_data' => "switchcam;".$row['camera_name'].';enable']),
        new InlineKeyboardButton(['text' => $ico_disab.' Disabled', 'callback_data' => "switchcam;".$row['camera_name'].';disable']),
      ];
      $inline_keyboard = new InlineKeyboard($keyboard_buttons);