| Re: signed int64 pack/unpack [message #184585 is a reply to message #184580] |
Sun, 12 January 2014 03:04   |
Jerry Stuckle
Messages: 2598
Registered: September 2010
Karma:
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Senior Member |
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On 1/11/2014 9:46 PM, cameron7(at)gmail(dot)com wrote:
> Hi, yes, sorry I am running 64-bit OS and 64-bit PHP. PHP_INT_MAX is giving appropriate value.
>
> Specifics from `php -i`: PHP Version => 5.4.6-1ubuntu1.5
>
> The code has become extremely ugly, and still not working perfectly, thus the reason for trying to find others who may have experience with this. The pack / unpack functions don't provide support for 64-bit integers directly so I'm looking for at least a sound "hack".
>
> I've tried all sorts of things, from base_convert to simply trying to extract and iterate over a bitwise comparison against each bit in 4 separate 16-bit ints, but nothing I've tried so far is working correctly.
>
> Basically, the context for this is I'm writing a client for a custom protocol in which several of the components of that protocol in requests and responses require big endian 64-bit signed int, thus the reason for the need to pack / unpack.
>
That may be, but without knowing exactly what you're doing and what you
expect, any attempt to help you would be a waste of both your and our time.
--
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Jerry Stuckle
jstucklex(at)attglobal(dot)net
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