PHP code example of aternos / nbt

    
        
<?php
require_once('vendor/autoload.php');

/* Start to develop here. Best regards https://php-download.com/ */

    

aternos / nbt example snippets

//Read uncompressed NBT data
$reader = new \Aternos\Nbt\IO\Reader\StringReader("...nbtData...", \Aternos\Nbt\NbtFormat::BEDROCK_EDITION);

//Read gzip compressed NBT data
$gzipReader = new \Aternos\Nbt\IO\Reader\GZipCompressedStringReader("...compressedNbtData...", \Aternos\Nbt\NbtFormat::JAVA_EDITION);

//Read zlib compressed NBT data
$zlibReader = new \Aternos\Nbt\IO\Reader\ZLibCompressedStringReader("...compressedNbtData...", \Aternos\Nbt\NbtFormat::BEDROCK_EDITION_NETWORK);

$reader = new \Aternos\Nbt\IO\Reader\StringReader("...nbtData...", \Aternos\Nbt\NbtFormat::BEDROCK_EDITION);

$tag = \Aternos\Nbt\Tag\Tag::load($reader);

$myInt new \Aternos\Nbt\Tag\IntTag();

$myInt->setValue(42);
echo $myInt->getValue(); // 42

$myCompound = new \Aternos\Nbt\Tag\CompoundTag();

$myCompound["myInt"] = (new \Aternos\Nbt\Tag\IntTag())->setValue(42);
$myCompound["myFloat"] = (new \Aternos\Nbt\Tag\IntTag())->setValue(42.42);
echo count($myCompound); // 2

//Manually setting a list's type is not strictly necessary,
//since it's type will be set automatically when the first element is added
$myList = (new \Aternos\Nbt\Tag\ListTag())->setContentTag(\Aternos\Nbt\Tag\TagType::TAG_String);

$myList[] = (new \Aternos\Nbt\Tag\StringTag())->setValue("Hello");
$myList[] = (new \Aternos\Nbt\Tag\StringTag())->setValue("World");

/** @var \Aternos\Nbt\Tag\CompoundTag $playerDat */
$playerDat = \Aternos\Nbt\Tag\Tag::load($reader);

$playerDat->set("foo", (new \Aternos\Nbt\Tag\StringTag())->setValue("bar")); //Set a value
$playerDat->delete("foo"); //Delete a value

$playerName = $playerDat->getCompound("bukkit")?->getString("lastKnownName")?->getValue();
echo $playerName ?? "Unknown player name";

//Write uncompressed NBT data
$writer = (new \Aternos\Nbt\IO\Writer\StringWriter())->setFormat(\Aternos\Nbt\NbtFormat::BEDROCK_EDITION);

//Write gzip compressed NBT data
$gzipWriter = (new \Aternos\Nbt\IO\Writer\GZipCompressedStringWriter())->setFormat(\Aternos\Nbt\NbtFormat::JAVA_EDITION);

//Write zlib compressed NBT data
$gzipWriter = (new \Aternos\Nbt\IO\Writer\ZLibCompressedStringWriter())->setFormat(\Aternos\Nbt\NbtFormat::BEDROCK_EDITION_NETWORK);

$writer = (new \Aternos\Nbt\IO\Writer\StringWriter())->setFormat(\Aternos\Nbt\NbtFormat::BEDROCK_EDITION);

$tag->write($writer);
file_put_contents("data.nbt", $writer->getStringData());

$data = file_get_contents("level.dat");

$version = unpack("V", $data)[1];
$dataLength = unpack("V", $data, 4)[1];

if($dataLength !== strlen($data) - 8) {
    throw new Exception("Invalid level.dat data length");
}
$tag = \Aternos\Nbt\Tag\Tag::load(new \Aternos\Nbt\IO\Reader\StringReader(substr($data, 8), \Aternos\Nbt\NbtFormat::BEDROCK_EDITION));