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Posted by Jerry Stuckle on 05/31/07 15:45
Schraalhans Keukenmeester wrote:
> At Thu, 31 May 2007 12:08:11 +0100, Toby A Inkster let h(is|er) monkeys
> type:
>
>> Schraalhans Keukenmeester wrote:
>>
>>> "strcmp('apples','oranges') is -1"
>> Technically, PHP doesn't guarantee this -- just that the return value will
>> be less than 0. It could be -42.
>
> You are completely right Toby. Which makes me wonder why there's such a
> loose definition of the retval, and what is actually stored in it inside
> the func.
>
> Sig fixed anyways.
> ;-)
>
I suspect this goes back to the C strcmp, which has the same definition.
Some C compilers return exactly +1, -1 or 0. Others return the
numeric difference between the two. The latter is slightly faster in
machine code.
--
==================
Remove the "x" from my email address
Jerry Stuckle
JDS Computer Training Corp.
jstucklex@attglobal.net
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