RE: [PHP] How do I convert an array into a mask?

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

RE: [PHP] How do I convert an array into a mask?

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 also

RE: [PHP] How do I convert an array into a mask?

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... -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit:

RE: [PHP] How do I convert an array into a mask?

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 binary

RE: [PHP] How do I convert an array into a mask?

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

RE: [PHP] How do I convert an array into a mask?

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 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

RE: [PHP] How do I convert an array into a mask?

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 $purchitem[1] = 3;

RE: [PHP] How do I convert an array into a mask?

($revchars) ) { $revString .= $Val; } return $revString; } -Original Message- From: Ernest E Vogelsinger [mailto:ernest;vogelsinger.at] Sent: Wednesday, November 06, 2002 1:28 AM To: [EMAIL PROTECTED] Subject: RE: [PHP] How do I convert an array into a mask? At 10:18

RE: [PHP] How do I convert an array into a mask?

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) -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit:

RE: [PHP] How do I convert an array into a mask?

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 not have a key 4

RE: [PHP] How do I convert an array into a mask?

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 string like 1100101 - that's easy :) Note that I do _not_ pass

Re: [PHP] How do I convert an array into a mask?

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

RE: [PHP] How do I convert an array into a mask?

-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 the

[PHP] How do I convert an array into a mask?

Does anyone know of a nice efficient way to convert an array of values into a mask... Here's the deal. Given an array such that: $purchitem[0] = 1; $purchitem[1] = 3; $purchitem[2] = 4; I want to end up with a variable like this: $mask = 10110; Additionally, my theory is that then the person

Re: [PHP] How do I convert an array into a mask?

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 anyone

Re: [PHP] How do I convert an array into a mask?

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