diff --git a/src/nbt/NBT.php b/src/nbt/NBT.php
new file mode 100644
index 000000000..6ca8a12dd
--- /dev/null
+++ b/src/nbt/NBT.php
@@ -0,0 +1,205 @@
+<?php
+
+/**
+ *
+ *  ____            _        _   __  __ _                  __  __ ____  
+ * |  _ \ ___   ___| | _____| |_|  \/  (_)_ __   ___      |  \/  |  _ \ 
+ * | |_) / _ \ / __| |/ / _ \ __| |\/| | | '_ \ / _ \_____| |\/| | |_) |
+ * |  __/ (_) | (__|   <  __/ |_| |  | | | | | |  __/_____| |  | |  __/ 
+ * |_|   \___/ \___|_|\_\___|\__|_|  |_|_|_| |_|\___|     |_|  |_|_| 
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * @author PocketMine Team
+ * @link http://www.pocketmine.net/
+ * 
+ *
+*/
+
+class NBT{	
+	const LITTLE_ENDIAN = 0;
+	const BIG_ENDIAN = 1;
+
+	private $buffer;
+	private $offset;
+	private $endianness;
+	private $data = array();
+	
+	public function get($len){
+		if($len <= 0){
+			$this->offset = strlen($this->buffer) - 1;
+			return "";
+		}
+		if($len === true){
+			return substr($this->buffer, $this->offset);
+		}
+		$this->offset += $len;
+		return substr($this->buffer, $this->offset - $len, $len);
+	}
+	
+	public function put($v){
+		$this->buffer .= $v;
+	}
+	
+	public function feof(){
+		return !isset($this->buffer{$this->offset});
+	}
+
+	public function __construct($endianness = NBT::BIG_ENDIAN){
+		$this->offset = 0;
+		$this->endianness = $endianness & 0x01;
+	}
+	
+	public function read($buffer){
+		$this->offset = 0;
+		$this->buffer = $buffer;
+		$this->readTag();
+	}
+	
+	public function write(){
+		$this->offset = 0;
+		if($this->data instanceof NBTTag_Compound){
+			$this->writeTag($this->data);
+			return true;
+		}else{
+			return false;
+		}
+	}
+	
+	protected function readTag(){
+		switch($this->getByte()){
+			case NBTTag::TAG_End: //No named tag
+				$tag = new NBTTag_End;
+				break;
+			case NBTTag::TAG_Byte:
+				$tag = new NBTTag_Byte($this->getString());
+				$tag->read($this);
+				break;
+			case NBTTag::TAG_Byte:
+				$tag = new NBTTag_Byte($this->getString());
+				$tag->read($this);
+				break;
+			case NBTTag::TAG_Short:
+				$tag = new NBTTag_Short($this->getString());
+				$tag->read($this);
+				break;
+			case NBTTag::TAG_Int:
+				$tag = new NBTTag_Int($this->getString());
+				$tag->read($this);
+				break;
+			case NBTTag::TAG_Long:
+				$tag = new NBTTag_Long($this->getString());
+				$tag->read($this);
+				break;
+			case NBTTag::TAG_Float:
+				$tag = new NBTTag_Float($this->getString());
+				$tag->read($this);
+				break;
+			case NBTTag::TAG_Double:
+				$tag = new NBTTag_Double($this->getString());
+				$tag->read($this);
+				break;
+			case NBTTag::TAG_Byte_Array:
+				$tag = new NBTTag_Byte_Array($this->getString());
+				$tag->read($this);
+				break;
+			case NBTTag::TAG_String:
+				$tag = new NBTTag_String($this->getString());
+				$tag->read($this);
+				break;
+			case NBTTag::TAG_List:
+				$tag = new NBTTag_List($this->getString());
+				$tag->read($this);
+				break;
+			case NBTTag::TAG_Compound:
+				$tag = new NBTTag_Compound($this->getString());
+				$tag->read($this);
+				break;
+			case NBTTag::TAG_Int_Array:
+				$tag = new NBTTag_Int_Array($this->getString());
+				$tag->read($this);
+				break;
+
+			default:
+				return false;
+		}
+		return $tag;
+	}
+	
+	public function writeTag(NBTTag $tag){
+		$this->putByte($tag->getType());
+		if($tag instanceof NamedNBTTag and $tag->getName() !== false){
+			$this->putString($tag->getName());
+		}
+		$tag->write($this);
+	}
+	
+	public function getByte(){
+		return Utils::readByte($this->get(1), true);
+	}
+	
+	public function putByte($v){
+		$this->buffer .= Utils::writeByte($v);
+	}
+	
+	public function getShort(){
+		return $this->endianness === self::BIG_ENDIAN ? Utils::readShort($this->get(2)) : Utils::readLShort($this->get(2));
+	}
+	
+	public function putShort($v){
+		$this->buffer .= $this->endianness === self::BIG_ENDIAN ? Utils::writeShort($v) : Utils::writeLShort($v);
+	}
+	
+	public function getInt(){
+		return $this->endianness === self::BIG_ENDIAN ? Utils::readInt($this->get(4)) : Utils::readLInt($this->get(4));
+	}
+	
+	public function putInt($v){
+		$this->buffer .= $this->endianness === self::BIG_ENDIAN ? Utils::writeInt($v) : Utils::writeLInt($v);
+	}
+
+	public function getLong(){
+		return $this->endianness === self::BIG_ENDIAN ? Utils::readLong($this->get(8)) : Utils::readLLong($this->get(8));
+	}
+	
+	public function putLong($v){
+		$this->buffer .= $this->endianness === self::BIG_ENDIAN ? Utils::writeLong($v) : Utils::writeLLong($v);
+	}
+
+	public function getFloat(){
+		return $this->endianness === self::BIG_ENDIAN ? Utils::readFloat($this->get(4)) : Utils::readLFloat($this->get(4));
+	}
+	
+	public function putFloat($v){
+		$this->buffer .= $this->endianness === self::BIG_ENDIAN ? Utils::writeFloat($v) : Utils::writeLFloat($v);
+	}
+
+	public function getDouble(){
+		return $this->endianness === self::BIG_ENDIAN ? Utils::readDouble($this->get(8)) : Utils::readLDouble($this->get(8));
+	}
+	
+	public function putDouble($v){
+		$this->buffer .= $this->endianness === self::BIG_ENDIAN ? Utils::writeDouble($v) : Utils::writeLDouble($v);
+	}
+
+	public function getString(){
+		return $this->get($this->getShort());
+	}
+	
+	public function putString($v){
+		$this->putShort(strlen($v));
+		$this->buffer .= $v;
+	}
+	
+	public function getData(){
+		return $this->data;
+	}
+	
+	public function setData(NBTTag_Compound $data){
+		$this->data = $data;
+	}
+	
+}
diff --git a/src/nbt/NBTTag.php b/src/nbt/NBTTag.php
new file mode 100644
index 000000000..55acec543
--- /dev/null
+++ b/src/nbt/NBTTag.php
@@ -0,0 +1,55 @@
+<?php
+
+/**
+ *
+ *  ____            _        _   __  __ _                  __  __ ____  
+ * |  _ \ ___   ___| | _____| |_|  \/  (_)_ __   ___      |  \/  |  _ \ 
+ * | |_) / _ \ / __| |/ / _ \ __| |\/| | | '_ \ / _ \_____| |\/| | |_) |
+ * |  __/ (_) | (__|   <  __/ |_| |  | | | | | |  __/_____| |  | |  __/ 
+ * |_|   \___/ \___|_|\_\___|\__|_|  |_|_|_| |_|\___|     |_|  |_|_| 
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * @author PocketMine Team
+ * @link http://www.pocketmine.net/
+ * 
+ *
+*/
+
+abstract class NBTTag{
+	const TAG_End = 0;
+	const TAG_Byte = 1;
+	const TAG_Short = 2;
+	const TAG_Int = 3;
+	const TAG_Long = 4;
+	const TAG_Float = 5;
+	const TAG_Double = 6;
+	const TAG_Byte_Array = 7;
+	const TAG_String = 8;
+	const TAG_List = 9;
+	const TAG_Compound = 10;
+	const TAG_Int_Array = 11;
+
+	protected $value = 0;
+	
+	public function getValue(){
+		return $this->value;
+	}
+	
+	public abstract function getType();
+	
+	public function setValue($value){
+		$this->value = $value;
+	}
+	
+	abstract public function write(NBT $nbt);
+	
+	abstract public function read(NBT $nbt);
+	
+	public final function __toString(){
+		return $this->value;
+	}
+}
diff --git a/src/nbt/NamedNBTTag.php b/src/nbt/NamedNBTTag.php
new file mode 100644
index 000000000..7f8c5d805
--- /dev/null
+++ b/src/nbt/NamedNBTTag.php
@@ -0,0 +1,40 @@
+<?php
+
+/**
+ *
+ *  ____            _        _   __  __ _                  __  __ ____  
+ * |  _ \ ___   ___| | _____| |_|  \/  (_)_ __   ___      |  \/  |  _ \ 
+ * | |_) / _ \ / __| |/ / _ \ __| |\/| | | '_ \ / _ \_____| |\/| | |_) |
+ * |  __/ (_) | (__|   <  __/ |_| |  | | | | | |  __/_____| |  | |  __/ 
+ * |_|   \___/ \___|_|\_\___|\__|_|  |_|_|_| |_|\___|     |_|  |_|_| 
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * @author PocketMine Team
+ * @link http://www.pocketmine.net/
+ * 
+ *
+*/
+
+/***REM_START***/
+require_once("NBTTag.php");
+/***REM_END***/
+
+class NamedNBTTag{
+	
+	protected $name;
+	public function __construct($name = ""){
+		$this->name = $name;
+	}
+
+	public function getName(){
+		return $this->name;
+	}
+	
+	public function setName($name){
+		$this->name = $name;
+	}
+}
\ No newline at end of file
diff --git a/src/nbt/tags/TAG_Byte.php b/src/nbt/tags/TAG_Byte.php
new file mode 100644
index 000000000..3e9624832
--- /dev/null
+++ b/src/nbt/tags/TAG_Byte.php
@@ -0,0 +1,35 @@
+<?php
+
+/**
+ *
+ *  ____            _        _   __  __ _                  __  __ ____  
+ * |  _ \ ___   ___| | _____| |_|  \/  (_)_ __   ___      |  \/  |  _ \ 
+ * | |_) / _ \ / __| |/ / _ \ __| |\/| | | '_ \ / _ \_____| |\/| | |_) |
+ * |  __/ (_) | (__|   <  __/ |_| |  | | | | | |  __/_____| |  | |  __/ 
+ * |_|   \___/ \___|_|\_\___|\__|_|  |_|_|_| |_|\___|     |_|  |_|_| 
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * @author PocketMine Team
+ * @link http://www.pocketmine.net/
+ * 
+ *
+*/
+
+class NBTTag_Byte extends NamedNBTTag{
+	
+	public function getType(){
+		return self::TAG_Byte;
+	}
+	
+	public function read(NBT $nbt){
+		$this->value = $nbt->getByte();
+	}
+	
+	public function write(NBT $nbt){
+		$nbt->putByte($this->value);
+	}
+}
\ No newline at end of file
diff --git a/src/nbt/tags/TAG_Byte_Array.php b/src/nbt/tags/TAG_Byte_Array.php
new file mode 100644
index 000000000..77266ea0a
--- /dev/null
+++ b/src/nbt/tags/TAG_Byte_Array.php
@@ -0,0 +1,36 @@
+<?php
+
+/**
+ *
+ *  ____            _        _   __  __ _                  __  __ ____  
+ * |  _ \ ___   ___| | _____| |_|  \/  (_)_ __   ___      |  \/  |  _ \ 
+ * | |_) / _ \ / __| |/ / _ \ __| |\/| | | '_ \ / _ \_____| |\/| | |_) |
+ * |  __/ (_) | (__|   <  __/ |_| |  | | | | | |  __/_____| |  | |  __/ 
+ * |_|   \___/ \___|_|\_\___|\__|_|  |_|_|_| |_|\___|     |_|  |_|_| 
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * @author PocketMine Team
+ * @link http://www.pocketmine.net/
+ * 
+ *
+*/
+
+class NBTTag_Byte_Array extends NamedNBTTag{
+	
+	public function getType(){
+		return self::TAG_Byte_Array;
+	}
+	
+	public function read(NBT $nbt){
+		$this->value = $nbt->get($this->getInt());
+	}
+	
+	public function write(NBT $nbt){
+		$nbt->putInt(strlen($this->value));
+		$nbt->put($this->value);
+	}
+}
\ No newline at end of file
diff --git a/src/nbt/tags/TAG_Compound.php b/src/nbt/tags/TAG_Compound.php
new file mode 100644
index 000000000..01a4e22e3
--- /dev/null
+++ b/src/nbt/tags/TAG_Compound.php
@@ -0,0 +1,45 @@
+<?php
+
+/**
+ *
+ *  ____            _        _   __  __ _                  __  __ ____  
+ * |  _ \ ___   ___| | _____| |_|  \/  (_)_ __   ___      |  \/  |  _ \ 
+ * | |_) / _ \ / __| |/ / _ \ __| |\/| | | '_ \ / _ \_____| |\/| | |_) |
+ * |  __/ (_) | (__|   <  __/ |_| |  | | | | | |  __/_____| |  | |  __/ 
+ * |_|   \___/ \___|_|\_\___|\__|_|  |_|_|_| |_|\___|     |_|  |_|_| 
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * @author PocketMine Team
+ * @link http://www.pocketmine.net/
+ * 
+ *
+*/
+
+class NBTTag_Compound extends NamedNBTTag{
+	
+	public function getType(){
+		return self::TAG_Compound;
+	}
+	
+	public function read(NBT $nbt){
+		$this->value = array();
+		do{
+			$tag = $nbt->readTag();
+			if($tag instanceof NamedNBTTag){
+				$this->value[$tag->getName()] = $tag;
+			}else{
+				$this->value[] = $tag;
+			}
+		}while(!($tag instanceof NBTTag_End) and !$nbt->feof());
+	}
+	
+	public function write(NBT $nbt){
+		foreach($this->value as $tag){
+			$nbt->writeTag($tag);
+		}
+	}
+}
\ No newline at end of file
diff --git a/src/nbt/tags/TAG_Double.php b/src/nbt/tags/TAG_Double.php
new file mode 100644
index 000000000..6b1437e33
--- /dev/null
+++ b/src/nbt/tags/TAG_Double.php
@@ -0,0 +1,35 @@
+<?php
+
+/**
+ *
+ *  ____            _        _   __  __ _                  __  __ ____  
+ * |  _ \ ___   ___| | _____| |_|  \/  (_)_ __   ___      |  \/  |  _ \ 
+ * | |_) / _ \ / __| |/ / _ \ __| |\/| | | '_ \ / _ \_____| |\/| | |_) |
+ * |  __/ (_) | (__|   <  __/ |_| |  | | | | | |  __/_____| |  | |  __/ 
+ * |_|   \___/ \___|_|\_\___|\__|_|  |_|_|_| |_|\___|     |_|  |_|_| 
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * @author PocketMine Team
+ * @link http://www.pocketmine.net/
+ * 
+ *
+*/
+
+class NBTTag_Double extends NamedNBTTag{
+	
+	public function getType(){
+		return self::TAG_Double;
+	}
+	
+	public function read(NBT $nbt){
+		$this->value = $nbt->getDouble();
+	}
+	
+	public function write(NBT $nbt){
+		$nbt->putDouble($this->value);
+	}
+}
\ No newline at end of file
diff --git a/src/nbt/tags/TAG_End.php b/src/nbt/tags/TAG_End.php
new file mode 100644
index 000000000..d917566d3
--- /dev/null
+++ b/src/nbt/tags/TAG_End.php
@@ -0,0 +1,35 @@
+<?php
+
+/**
+ *
+ *  ____            _        _   __  __ _                  __  __ ____  
+ * |  _ \ ___   ___| | _____| |_|  \/  (_)_ __   ___      |  \/  |  _ \ 
+ * | |_) / _ \ / __| |/ / _ \ __| |\/| | | '_ \ / _ \_____| |\/| | |_) |
+ * |  __/ (_) | (__|   <  __/ |_| |  | | | | | |  __/_____| |  | |  __/ 
+ * |_|   \___/ \___|_|\_\___|\__|_|  |_|_|_| |_|\___|     |_|  |_|_| 
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * @author PocketMine Team
+ * @link http://www.pocketmine.net/
+ * 
+ *
+*/
+
+class NBTTag_End extends NBTTag{
+	
+	public function getType(){
+		return self::TAG_End;
+	}
+	
+	public function read(NBT $nbt){
+
+	}
+	
+	public function write(NBT $nbt){
+	
+	}
+}
\ No newline at end of file
diff --git a/src/nbt/tags/TAG_Float.php b/src/nbt/tags/TAG_Float.php
new file mode 100644
index 000000000..d39ccd043
--- /dev/null
+++ b/src/nbt/tags/TAG_Float.php
@@ -0,0 +1,35 @@
+<?php
+
+/**
+ *
+ *  ____            _        _   __  __ _                  __  __ ____  
+ * |  _ \ ___   ___| | _____| |_|  \/  (_)_ __   ___      |  \/  |  _ \ 
+ * | |_) / _ \ / __| |/ / _ \ __| |\/| | | '_ \ / _ \_____| |\/| | |_) |
+ * |  __/ (_) | (__|   <  __/ |_| |  | | | | | |  __/_____| |  | |  __/ 
+ * |_|   \___/ \___|_|\_\___|\__|_|  |_|_|_| |_|\___|     |_|  |_|_| 
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * @author PocketMine Team
+ * @link http://www.pocketmine.net/
+ * 
+ *
+*/
+
+class NBTTag_Float extends NamedNBTTag{
+	
+	public function getType(){
+		return self::TAG_Float;
+	}
+	
+	public function read(NBT $nbt){
+		$this->value = $nbt->getFloat();
+	}
+	
+	public function write(NBT $nbt){
+		$nbt->putFloat($this->value);
+	}
+}
\ No newline at end of file
diff --git a/src/nbt/tags/TAG_Int.php b/src/nbt/tags/TAG_Int.php
new file mode 100644
index 000000000..3f766bd36
--- /dev/null
+++ b/src/nbt/tags/TAG_Int.php
@@ -0,0 +1,35 @@
+<?php
+
+/**
+ *
+ *  ____            _        _   __  __ _                  __  __ ____  
+ * |  _ \ ___   ___| | _____| |_|  \/  (_)_ __   ___      |  \/  |  _ \ 
+ * | |_) / _ \ / __| |/ / _ \ __| |\/| | | '_ \ / _ \_____| |\/| | |_) |
+ * |  __/ (_) | (__|   <  __/ |_| |  | | | | | |  __/_____| |  | |  __/ 
+ * |_|   \___/ \___|_|\_\___|\__|_|  |_|_|_| |_|\___|     |_|  |_|_| 
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * @author PocketMine Team
+ * @link http://www.pocketmine.net/
+ * 
+ *
+*/
+
+class NBTTag_Int extends NamedNBTTag{
+	
+	public function getType(){
+		return self::TAG_Int;
+	}
+	
+	public function read(NBT $nbt){
+		$this->value = $nbt->getInt();
+	}
+	
+	public function write(NBT $nbt){
+		$nbt->putInt($this->value);
+	}
+}
\ No newline at end of file
diff --git a/src/nbt/tags/TAG_Int_Array.php b/src/nbt/tags/TAG_Int_Array.php
new file mode 100644
index 000000000..821496351
--- /dev/null
+++ b/src/nbt/tags/TAG_Int_Array.php
@@ -0,0 +1,42 @@
+<?php
+
+/**
+ *
+ *  ____            _        _   __  __ _                  __  __ ____  
+ * |  _ \ ___   ___| | _____| |_|  \/  (_)_ __   ___      |  \/  |  _ \ 
+ * | |_) / _ \ / __| |/ / _ \ __| |\/| | | '_ \ / _ \_____| |\/| | |_) |
+ * |  __/ (_) | (__|   <  __/ |_| |  | | | | | |  __/_____| |  | |  __/ 
+ * |_|   \___/ \___|_|\_\___|\__|_|  |_|_|_| |_|\___|     |_|  |_|_| 
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * @author PocketMine Team
+ * @link http://www.pocketmine.net/
+ * 
+ *
+*/
+
+class NBTTag_Int_Array extends NamedNBTTag{
+	
+	public function getType(){
+		return self::TAG_Int_Array;
+	}
+	
+	public function read(NBT $nbt){
+		$this->value = array();
+		$size = $nbt->getInt();
+		for($i = 0; $i < $size and !$nbt->feof(); ++$i){
+			$this->value[] = $nbt->getInt();
+		}
+	}
+	
+	public function write(NBT $nbt){
+		$nbt->putInt(count($this->value));
+		foreach($this->value as $v){
+			$nbt->putInt($v);
+		}
+	}
+}
\ No newline at end of file
diff --git a/src/nbt/tags/TAG_List.php b/src/nbt/tags/TAG_List.php
new file mode 100644
index 000000000..54dfecf57
--- /dev/null
+++ b/src/nbt/tags/TAG_List.php
@@ -0,0 +1,108 @@
+<?php
+
+/**
+ *
+ *  ____            _        _   __  __ _                  __  __ ____  
+ * |  _ \ ___   ___| | _____| |_|  \/  (_)_ __   ___      |  \/  |  _ \ 
+ * | |_) / _ \ / __| |/ / _ \ __| |\/| | | '_ \ / _ \_____| |\/| | |_) |
+ * |  __/ (_) | (__|   <  __/ |_| |  | | | | | |  __/_____| |  | |  __/ 
+ * |_|   \___/ \___|_|\_\___|\__|_|  |_|_|_| |_|\___|     |_|  |_|_| 
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * @author PocketMine Team
+ * @link http://www.pocketmine.net/
+ * 
+ *
+*/
+
+class NBTTag_List extends NamedNBTTag{
+	
+	public function getType(){
+		return self::TAG_List;
+	}
+	
+	public function read(NBT $nbt){
+		$this->value = array();
+		$tagId = $nbt->getByte();
+		$this->value[-1] = $tagId;
+		$size = $nbt->getInt();
+		for($i = 0; $i < $size and !$nbt->feof(); ++$i){
+			switch($tagId){
+				case NBTTag::TAG_Byte:
+					$tag = new NBTTag_Byte(false);
+					$tag->read($this);
+					$this->value[] = $tag;
+					break;
+				case NBTTag::TAG_Byte:
+					$tag = new NBTTag_Byte(false);
+					$tag->read($this);
+					$this->value[] = $tag;
+					break;
+				case NBTTag::TAG_Short:
+					$tag = new NBTTag_Short(false);
+					$tag->read($this);
+					$this->value[] = $tag;
+					break;
+				case NBTTag::TAG_Int:
+					$tag = new NBTTag_Int(false);
+					$tag->read($this);
+					$this->value[] = $tag;
+					break;
+				case NBTTag::TAG_Long:
+					$tag = new NBTTag_Long(false);
+					$tag->read($this);
+					$this->value[] = $tag;
+					break;
+				case NBTTag::TAG_Float:
+					$tag = new NBTTag_Float(false);
+					$tag->read($this);
+					$this->value[] = $tag;
+					break;
+				case NBTTag::TAG_Double:
+					$tag = new NBTTag_Double(false);
+					$tag->read($this);
+					$this->value[] = $tag;
+					break;
+				case NBTTag::TAG_Byte_Array:
+					$tag = new NBTTag_Byte_Array(false);
+					$tag->read($this);
+					$this->value[] = $tag;
+					break;
+				case NBTTag::TAG_String:
+					$tag = new NBTTag_String(false);
+					$tag->read($this);
+					$this->value[] = $tag;
+					break;
+				case NBTTag::TAG_List:
+					$tag = new NBTTag_List(false);
+					$tag->read($this);
+					$this->value[] = $tag;
+					break;
+				case NBTTag::TAG_Compound:
+					$tag = new NBTTag_Compound(false);
+					$tag->read($this);
+					$this->value[] = $tag;
+					break;
+				case NBTTag::TAG_Int_Array:
+					$tag = new NBTTag_Int_Array(false);
+					$tag->read($this);
+					$this->value[] = $tag;
+					break;
+			}
+		}
+	}
+	
+	public function write(NBT $nbt){
+		$nbt->putByte($this->value[-1]);
+		$nbt->putInt(count($this->value) - 1);
+		foreach($this->value as $tag){
+			if($tag instanceof NBTTag){
+				$nbt->writeTag($tag);
+			}
+		}
+	}
+}
\ No newline at end of file
diff --git a/src/nbt/tags/TAG_Long.php b/src/nbt/tags/TAG_Long.php
new file mode 100644
index 000000000..9c4cf740b
--- /dev/null
+++ b/src/nbt/tags/TAG_Long.php
@@ -0,0 +1,35 @@
+<?php
+
+/**
+ *
+ *  ____            _        _   __  __ _                  __  __ ____  
+ * |  _ \ ___   ___| | _____| |_|  \/  (_)_ __   ___      |  \/  |  _ \ 
+ * | |_) / _ \ / __| |/ / _ \ __| |\/| | | '_ \ / _ \_____| |\/| | |_) |
+ * |  __/ (_) | (__|   <  __/ |_| |  | | | | | |  __/_____| |  | |  __/ 
+ * |_|   \___/ \___|_|\_\___|\__|_|  |_|_|_| |_|\___|     |_|  |_|_| 
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * @author PocketMine Team
+ * @link http://www.pocketmine.net/
+ * 
+ *
+*/
+
+class NBTTag_Long extends NamedNBTTag{
+	
+	public function getType(){
+		return self::TAG_Long;
+	}
+	
+	public function read(NBT $nbt){
+		$this->value = $nbt->getLong();
+	}
+	
+	public function write(NBT $nbt){
+		$nbt->putLong($this->value);
+	}
+}
\ No newline at end of file
diff --git a/src/nbt/tags/TAG_Short.php b/src/nbt/tags/TAG_Short.php
new file mode 100644
index 000000000..994a4f63a
--- /dev/null
+++ b/src/nbt/tags/TAG_Short.php
@@ -0,0 +1,35 @@
+<?php
+
+/**
+ *
+ *  ____            _        _   __  __ _                  __  __ ____  
+ * |  _ \ ___   ___| | _____| |_|  \/  (_)_ __   ___      |  \/  |  _ \ 
+ * | |_) / _ \ / __| |/ / _ \ __| |\/| | | '_ \ / _ \_____| |\/| | |_) |
+ * |  __/ (_) | (__|   <  __/ |_| |  | | | | | |  __/_____| |  | |  __/ 
+ * |_|   \___/ \___|_|\_\___|\__|_|  |_|_|_| |_|\___|     |_|  |_|_| 
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * @author PocketMine Team
+ * @link http://www.pocketmine.net/
+ * 
+ *
+*/
+
+class NBTTag_Short extends NamedNBTTag{
+	
+	public function getType(){
+		return self::TAG_Short;
+	}
+	
+	public function read(NBT $nbt){
+		$this->value = $nbt->getShort();
+	}
+	
+	public function write(NBT $nbt){
+		$nbt->putShort($this->value);
+	}
+}
\ No newline at end of file
diff --git a/src/nbt/tags/TAG_String.php b/src/nbt/tags/TAG_String.php
new file mode 100644
index 000000000..0950ebb3a
--- /dev/null
+++ b/src/nbt/tags/TAG_String.php
@@ -0,0 +1,36 @@
+<?php
+
+/**
+ *
+ *  ____            _        _   __  __ _                  __  __ ____  
+ * |  _ \ ___   ___| | _____| |_|  \/  (_)_ __   ___      |  \/  |  _ \ 
+ * | |_) / _ \ / __| |/ / _ \ __| |\/| | | '_ \ / _ \_____| |\/| | |_) |
+ * |  __/ (_) | (__|   <  __/ |_| |  | | | | | |  __/_____| |  | |  __/ 
+ * |_|   \___/ \___|_|\_\___|\__|_|  |_|_|_| |_|\___|     |_|  |_|_| 
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * @author PocketMine Team
+ * @link http://www.pocketmine.net/
+ * 
+ *
+*/
+
+class NBTTag_String extends NamedNBTTag{
+	
+	public function getType(){
+		return self::TAG_String;
+	}
+	
+	public function read(NBT $nbt){
+		$this->value = $nbt->get($this->getShort());
+	}
+	
+	public function write(NBT $nbt){
+		$nbt->putShort(strlen($this->value));
+		$nbt->put($this->value);
+	}
+}
\ No newline at end of file