pocketmine\level\format\mcregion\RegionLoader::writeLocationTable PHP Метод

    private function writeLocationTable()
    {
        $write = [];
        for ($i = 0; $i < 1024; ++$i) {
            $write[] = $this->locationTable[$i][0] << 8 | $this->locationTable[$i][1];
        }
        for ($i = 0; $i < 1024; ++$i) {
            $write[] = $this->locationTable[$i][2];
        }
        fseek($this->filePointer, 0);
        fwrite($this->filePointer, pack("N*", ...$write), 4096 * 2);
    }