ByteArray.PHP

/*
@author: Devsaider;
@author-uri: devsaider.ru, devmices.ru;
@description: Original ByteArray by L'fleur rewrite for PHP by Devsaider;
http://pastebin.com/u/Devsaider
*/

class ByteArray{

private $BytesString;

function ByteArray($bytes = "") {
    $this->BytesString = $bytes;
}

function writeBoolean($value = 1) {
    $this->BytesString .= $this->writeByte($value, False);
}

function writeByte($value, $noReturning=True) {
    if ($noReturning) $this->BytesString .= pack("C", $value);
    else return pack("C", $value);
}

function writeBytes($value) {
    $this->BytesString .= $value;
}

function writeInt($value) {
    $this->BytesString .= pack('N', $value);
}

function writeShort($value) {
    $this->BytesString .= pack('n', $value);
}

function writeUTF($value) {
    $valueSize = strlen($value);
    $this->writeShort($valueSize);
    $this->writeUTFBytes($value);
}

function writeUTFBytes($value) {
    $this->BytesString .= $value;
}

function length() {
    return strlen($this->BytesString);
}

function toString() {
    return $this->BytesString;
}

function toPack() {
    $value = pack('N', strlen($this->BytesString)+4);
    return $value.$this->BytesString;
}

function getSize() {
    $value = unpack('N', substr($this->BytesString, 0, 4));
    return $value[1];
}

function readBy($Pos) {
    $this->BytesString = substr($this->BytesString, $Pos);
    return $this->BytesString;
}

function loc($byte) {
    $loc = substr($this->BytesString, 0, $byte);
    $this->BytesString = substr($this->BytesString, $byte);
    return unpack('C', $loc);
}

function readInt() {
    $size = unpack('N', substr($this->BytesString, 0, 4)); $size = $size[1];
    $this->BytesString = substr($this->BytesString, 4);
    return $size;
}

function readUTF() {
    $size = unpack('n', substr($this->BytesString, 0, 2)); $size = $size[1];
    $string = substr($this->BytesString, 2, $size);
    $this->BytesString = substr($this->BytesString, $size + 2);
    return $string;
}

function readShort() {
    $size = unpack('n', substr($this->BytesString, 0, 2)); $size = $size[1];
    $this->BytesString = substr($this->BytesString, 2);
    return $size;
}

function readBoolean() {
    $loc = unpack('C', substr($this->BytesString, 0, 1)); $loc = $loc[1];
    $this->BytesString = substr($this->BytesString, 1);
    if ($loc == 1) return True;
    else return False;
}

function readByte() {
    $byte = unpack('C', substr($this->BytesString, 0, 1)); $byte = $byte[1];
    $this->BytesString = substr($this->BytesString, 1);
    return $byte;
}

}