pocketmine\utils\TextWrapper::wrap PHP Метод

    public static function wrap($text)
    {
        $result = "";
        $len = strlen($text);
        $lineWidth = 0;
        $lineLength = 0;
        for ($i = 0; $i < $len; ++$i) {
            $char = $text[$i];
            if ($char === "\n") {
                $lineLength = 0;
                $lineWidth = 0;
            } elseif (isset(self::$allowedCharsArray[$char])) {
                $width = self::$allowedCharsArray[$char];
                if ($lineLength + 1 > self::CHAT_STRING_LENGTH or $lineWidth + $width > self::CHAT_WINDOW_WIDTH) {
                    $result .= "\n";
                    $lineLength = 0;
                    $lineWidth = 0;
                }
                ++$lineLength;
                $lineWidth += $width;
            } else {
                return $text;
            }
            $result .= $char;
        }
        return $result;
    }

 /**
  * Sends a direct chat message to a player
  *
  * @param string $message
  */
 public function sendMessage($message)
 {
     if ($this->removeFormat !== false) {
         $message = TextWrapper::wrap(TextFormat::clean($message));
     }
     $mes = explode("\n", $message);
     foreach ($mes as $m) {
         if ($m !== "") {
             $pk = new MessagePacket();
             $pk->source = "";
             //Do not use this ;)
             $pk->message = $m;
             $this->dataPacket($pk);
         }
     }
 }