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Posted by Darko on 11/10/07 01:26
On Nov 10, 1:12 am, joshuajnoble <joshuajno...@gmail.com> wrote:
> Thanks for the help the &= and & is clear to me now. I wasn't getting
> an error, it just didn't echo out any value from the &= when I set the
> $var to an int value. Thanks again.
>
> On Nov 9, 3:49 pm, "Steve" <no....@example.com> wrote:
>
> > "Darko" <darko.maksimo...@gmail.com> wrote in message
>
> >news:1194632959.294732.216730@k79g2000hse.googlegroups.com...
>
> > > On Nov 9, 7:11 pm, "Steve" <no....@example.com> wrote:
> > >> "Darko" <darko.maksimo...@gmail.com> wrote in message
>
> > >>news:1194624540.774587.257620@o3g2000hsb.googlegroups.com...
>
> > >> > On Nov 9, 3:35 pm, joshuajnoble <joshuajno...@gmail.com> wrote:
> > >> >> Is there any difference between doing:
>
> > >> >> $var & 0x80;
>
> > >> >> and
>
> > >> >> $var &= 0x80;
>
> > >> >> I've seen the second, using the &= in production code, but on my local
> > >> >> machine it errors out. Any thoughts?
>
> > >> > $var &= 0x80 <=> $var = $var & 0x80
>
> > >> perhaps <=> is a non-standard equality to the op. you mean that both
> > >> accomplish the same thing...they are just two different ways of writing
> > >> the
> > >> same thing, right?
>
> > > In math, <=> means "is equivalent to".
>
> > right. however, i was considering the question posed by the op...dealing
> > with hex and bits. he's probably not going to immediately see that you're
> > saying they're equal.
>
> > no big.
When people say "Don't do top posts", it means that you should write
your answer
-below- the quotes, not -above-. It eases reading and people stick to
the rule.
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