pocketmine\nbt\NBT::getLong PHP Метод

    public function getLong()
    {
        return $this->endianness === self::BIG_ENDIAN ? Binary::readLong($this->get(8)) : Binary::readLLong($this->get(8));
    }

 public function read(NBT $nbt)
 {
     $this->value = $nbt->getLong();
 }