> -Original Message-
> From: Daevid Vincent [mailto:daevid@;daevid.com]
> Sent: 06 November 2002 12:23
> To: [EMAIL PROTECTED]
>
> That's the EASY part John!
>
> The hard part is converting the array (which was a checkbox
> array from a
> form submission) into the binary string (as per t
Hi,
Wednesday, November 6, 2002, 2:56:33 PM, you wrote:
DV> Does anyone know of a nice efficient way to convert an array of values
DV> into a "mask"...
DV> Here's the deal. Given an array such that:
DV> $purchitem[0] = 1;
DV> $purchitem[1] = 3;
DV> $purchitem[2] = 4;
DV> I want to end up with a
At 13:43 06.11.2002, Daevid Vincent said:
[snip]
>Ernest, close but you have it reversed for my needs (i.e. true binary
>form). Notice that my LSB is to the left, not right.
Ah, ic, you want a <> like "1100101" - that's easy :)
Note that I do _not_ pass
> Oooh! I think you're on to something there. Nice!
>
> Hey, what's the "@" symbol for? I see in the manual the "&" is a
> reference (like a pointer in C I assume), but I can't find the "@"
> explained.
>
> > if(@$purchitem[$y] == $x)
It'll suppress warnings and errors. If the $purchitem does
Oooh! I think you're on to something there. Nice!
Hey, what's the "@" symbol for? I see in the manual the "&" is a
reference (like a pointer in C I assume), but I can't find the "@"
explained.
> if(@$purchitem[$y] == $x)
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> -Original Message-
> From: Ernest E Vogelsinger [mailto:ernest@;vogelsinger.at]
> Sent: Wednesday, November 06, 2002 1
> That's the EASY part John!
>
> The hard part is converting the array (which was a checkbox array from
a
> form submission) into the binary string (as per the original post)
>
> > Here's the deal. Given an array such that:
> > $purchitem[0] = 1; //purchased book #1 checkbox enabled
> > $purchit
charter.net]
> Sent: Wednesday, November 06, 2002 4:19 AM
> To: 'Jon Haworth'; [EMAIL PROTECTED]
> Subject: RE: [PHP] How do I convert an array into a mask?
>
>
> > Hi John,
> >
> > > > So given the example below, "10110"
> > > >
> Hi John,
>
> > > So given the example below, "10110"
> > > means that the person can view books 1, 3, and 4,
> > > but not 2 or 5. dig?
> >
> > Explain that to me... I know binary, but I can't see
> > how that equates to 1, 3, and 4.
>
> Because you know binary :-)
>
> The above is a series of
Hi John,
> > So given the example below, "10110"
> > means that the person can view books 1, 3, and 4,
> > but not 2 or 5. dig?
>
> Explain that to me... I know binary, but I can't see
> how that equates to 1, 3, and 4.
Because you know binary :-)
The above is a series of yes/no flags, not a
> So given the example below, "10110"
> means that the person can view books 1, 3, and 4, but not 2 or 5. dig?
Explain that to me... I know binary, but I can't see how that equates to
1, 3, and 4.
---John Holmes...
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At 10:18 06.11.2002, Daevid Vincent said:
[snip]
>doesn't lend itself nicely to expansion, but may be my only way. I just
>have a gut feeling that it can be automated somehow. To turn 1,3,4 into
>10110 seems like there is some 'math' there that can work. I al
Michael, I like your idea, and had I designed this site, I would have
the bitmask simmilar to what you suggest. However, I'm a contractor
modding an existing/legacy site. Basically the way they have it, is that
each user has a field in the db that is simply a string/mask of which
books a person has
On Tue, 5 Nov 2002 20:56:33 -0800, you wrote:
>Does anyone know of a nice efficient way to convert an array of values
>into a "mask"...
I'm going to assume that you mean a bitmask. I'm not exactly sure
what you're trying to accomplish, so I may be off base here, but let
me describe how I'm using
Why don't you ask Jim Carrey ???
He knew more that whoever here about "The MASK" !!!
Good luck.
- Original Message -
From: "Daevid Vincent" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Wednesday, November 06, 2002 3:56 PM
Subject: [PHP] How do I convert an array into a mask?
> Does
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