protected function readLongUTF()
{
$length = $this->readLong();
// get the length of the string (1st 4 bytes)
$val = substr($this->rawData, $this->currentByte, $length);
// grab the string
$this->currentByte += $length;
// move the seek head to the end of the string
return $val;
// return the string
}