Ashley Sheridan wrote:
On Wed, 2008-10-29 at 20:01 -0400, sean greenslade wrote:
I have the following code as a test:
<?php
$a = $_GET['a'];
$b = $_GET['b'];
echo $a . " & " . $b . " = ";
$out = $a & $b;
echo $out;
//echo 15 & 2;
?>
if I set a to 15 and b to 2 in the URL like so:
test.php?a=15&b=2
it outputs zero as the answer. When I run the hard-coded '&' operation (the
commented out echo), it returns 2. I'm stumped.
In PHP a boolean true also equates to 1. You are using the & operator
though, instead of the && which I think you're looking for.
You misunderstand the question I think.
He's trying to do this:
http://www.php.net/manual/en/language.operators.bitwise.php
For the OP:
Try casting $a and $b to int's:
$a = (int)$_GET['a'];
no idea if it'll help though.
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