public function handleRequest(Chain $chain)
 {
     $request = $chain->getRequest();
     $text = $request['msg'];
     if (preg_match('~(kroleg\\.tk)~uis', $text)) {
         $text = 'У меня бывают запоры и я писаюсь в кровать по ночам!';
     }
     $request['msg'] = $text;
     $chain->setRequest($request);
 }
 /**
  * C-o-R pattern
  * @param Chain $chain input stream
  * @return false|null|true
  */
 public function handleRequest(Chain $chain)
 {
     $request = $chain->getRequest();
     $msgParts = explode('|', $request['msg']);
     $brCount = 1;
     if (!empty($msgParts)) {
         $newMsgParts = [];
         $brCount = min(self::MAX_BR, count($msgParts));
         for ($i = 0; $i < $brCount; $i++) {
             $part = trim($msgParts[$i]);
             if (!$part) {
                 continue;
             }
             $newMsgParts[] = $part;
         }
         $request['msg'] = implode(self::BR, $newMsgParts);
     }
     $props = $chain->getUser()->getProperties();
     $props->setMessagesCount($props->getMessagesCount() + $brCount);
     $chain->setRequest($request);
 }