public function execute()
{
$message = $this->getMessage();
$chat_id = $message->getChat()->getId();
$text = $message->getText(true);
$sender = '@' . $message->getFrom()->getUsername();
//username validation
$test = preg_match('/@[\\w_]{5,}/', $text);
if ($test === 0) {
$text = $sender . ' sorry no one to slap around..';
} else {
$text = $sender . ' slaps ' . $text . ' around a bit with a large trout';
}
$data = ['chat_id' => $chat_id, 'text' => $text];
return Request::sendMessage($data);
}