Re: [PHP] Re: Binary mah

[Knightking]

On Thu, 10 Jun 2004 20:08:08 -0700, Justin Patrin  
<[EMAIL PROTECTED]> wrote:

Mark wrote:
[snip]
I'm not sure what's wrong with the code you have, but for the 4-digit  
one you have:

$packed = 4-bit var with ABCD encoded in it
$a = $packed & 1;
$b = $packed & 2;
$c = $packed & 4;
$d = $packed & 8;
Just as a side tip, I highly recommend using hexadecimal for bitwise  
functions where possible, i.e.:
$a = $packed & 0x1;
$b = $packed & 0x2;
$c = $packed & 0x4;
$d = $packed & 0x8;
$e = $packed & 0x10;
$f = $packed & 0x20;
$g = $packed & 0x40;
$h = $packed & 0x80;
$i = $packed & 0x100;

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