Why don't you ask Jim Carrey ???
He knew more that whoever here about "The MASK" !!!
----- 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 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 = 1;
> $purchitem = 3;
> $purchitem = 4;
> I want to end up with a variable like this:
> $mask = "10110";
> Additionally, my theory is that then the person purchases another book
> $purchitem = 2;
> My new mask should be $purchmask = "01000";
> Then I can load their previous mask from the database and boolean OR it
> with the new mask to set the correct permissions. i.e.
> $newmask = $mask | $purchmask;
> Or ideally = "11110"
> Can I boolean OR strings like that in the way I 'hope' it will work? Do
> I need to convert it to an intermediate stage or cast it or anything?
> Does this make sense? It's for an online book shopping cart. I have the
> reverse working, where I can split the mask into what books. And I also
> have the $purchitem working.
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