RE: [PHP] How do I convert an array into a mask?
| From: | Jon Haworth | Date: | Wed, 06 Nov 2002 12:12:12 +0000 |
| Subject: | RE: [PHP] How do I convert an array into a mask? | ||
| Groups: | php.general | ||
| Request: | Send a blank email to php-general+get-122967@lists.php.net to get a copy of this message | ||
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 number. Reading from
left to right:
book 1 : yes
book 2 : no
book 3 : yes
book 4 : yes
book 5 : no
Cheers
Jon