|
|
Posted by Jerry Miller on 10/04/50 11:07
That should help. Thanks.
"Chris" <listschris@leftbrained.org> wrote in message
news:42015C3C.5010108@leftbrained.org...
> I've written complete file parsers in PHP, and the only snag I've run
> into is dealing Signed integers (and larger).
>
>
> Jerry Miller wrote:
>
> >Is there an example of the UNIX od utility written
> >in PHP? Is such a useful task even possible??
> >>From what I've seen of strings, they're completely
> >opaque, so what good does it do to be able to read
> >binary-safe strings from a file???
> >
>
> the pack() and unpack() functions are used to remove data from and
> place data into binary strings.
>
> >Even the deprecated
> >(why????) $str{$inx} notation apparently results in
> >another string, because trying to printf it with the
> >"%02x" format always comes out with "00." (Maybe
> >that's why -- it's useless!)
> >
> $str{$inx} does return a single character string, in order to get the
> numerical value, try using ord()
>
> >As an experienced C
> >programmer, I'm finding PHP to be as counter-intuitive
> >for low-level work as Perl is.
> >
> >I need to convert binary
> >dumps of data structures into database table rows, and
> >MySQL on my server doesn't support queries from C.
> >
> >I thought about writing a CGI script (in C) that
> >would generate the hard-coded PHP output for
> >each instance, but a URL that ends in ".cgi" is
> >never intercepted by the PHP interpreter. Worse
> >yet, the <SCRIPT LANGUAGE="" SRC="">
> >that works perfectly well with JavaScript is
> >likewise ignored if the language is PHP! Finally,
> >I'm not aware of a Content-type such as "text/php."
> >What exactly was the purpose of designing yet
> >another inflexible language?!
> >
> >
> >
>
> Chris
>
> http://www.php.net/pack
> http://www.php.net/unpack
> http://www.php.net/ord
> http://www.php.net/chr
Navigation:
[Reply to this message]
|