Posted by Jerry Stuckle on 11/25/07 02:35

Bint wrote:
> Hi,
>
> I have a binary string containing a compressed image. I need to bypass the
> header portion in order to pass a pointer to the correct uncompression
> routine. Say the header is four bytes, can I just say $newdata = $data+4?
> If not, how would I do that?
>
> Thanks
> B
>
>
>

No. This is not C. Pointer arithmetic does not work. You meed
something like substr($data, 4);

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Jerry Stuckle
JDS Computer Training Corp.
jstucklex@attglobal.net
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