bitfield::get_bin PHP Method

    function get_bin()
    {
        $bin = '';
        $len = strlen($this->data);
        for ($i = 0; $i < $len; ++$i) {
            $bin .= str_pad(decbin(ord($this->data[$i])), 8, '0', STR_PAD_LEFT);
        }
        return $bin;
    }