private function recordOffset($arr)
    {
        list($this->int_offset, $this->str_start_cursor) = $this->getIntStringFromValue($this->lookupToken($arr['offset']));
        return '';
    }
private function recordOffset($arr)
    {
        list($this->int_offset, $this->str_start_cursor) = $this->getIntStringFromValue($this->lookupToken($arr['offset']));
        return '';
    }
private function recordOffset ( $ arr ) { list ( $ this -> int_offset , $ this -> str_start_cursor ) = $ this -> getIntStringFromValue ( $ this -> lookupToken ( $ arr [ 'offset' ] ) ) ; return '' ; }
Record the offset

@param $arr
@return string
Record the offset