public function readUuid() {
        $data = unpack('n8', $this->read(16));

        return sprintf('%04x%04x-%04x-%04x-%04x-%04x%04x%04x', $data[1], $data[2], $data[3], $data[4], $data[5], $data[6], $data[7], $data[8]);
    }
public function readUuid() {
        $data = unpack('n8', $this->read(16));

        return sprintf('%04x%04x-%04x-%04x-%04x-%04x%04x%04x', $data[1], $data[2], $data[3], $data[4], $data[5], $data[6], $data[7], $data[8]);
    }
public function readUuid ( ) { $ data = unpack ( 'n8' , $ this -> read ( 16 ) ) ; return sprintf ( '%04x%04x-%04x-%04x-%04x-%04x%04x%04x' , $ data [ 1 ] , $ data [ 2 ] , $ data [ 3 ] , $ data [ 4 ] , $ data [ 5 ] , $ data [ 6 ] , $ data [ 7 ] , $ data [ 8 ] ) ; }
Read uuid.

@return string
Read uuid .