pocketmine\network\protocol\TextPacket::decode PHP Method

    public function decode()
    {
        $this->type = $this->getByte();
        switch ($this->type) {
            case self::TYPE_POPUP:
            case self::TYPE_CHAT:
                $this->source = $this->getString();
            case self::TYPE_RAW:
            case self::TYPE_TIP:
            case self::TYPE_SYSTEM:
                $this->message = $this->getString();
                break;
            case self::TYPE_TRANSLATION:
                $this->message = $this->getString();
                $count = $this->getByte();
                for ($i = 0; $i < $count; ++$i) {
                    $this->parameters[] = $this->getString();
                }
        }
    }