Posted by Mike on 02/06/06 05:13

I am trying to test the setting of bits, each bit representing something that can be done on the
website.


"Jerry Stuckle" <jstucklex@attglobal.net> wrote in message
news:DrCdnQAFebQOIXveRVn-tQ@comcast.com...
Mike wrote:
> Ah, that is why the result that I am getting. I just posted the function that I created.
>
> What is a logical AND? I thought both AND and & were. I'll have to relook at the php docs!
>
> Mike
>
>
> "Jerry Stuckle" <jstucklex@attglobal.net> wrote in message
> news:O--dnZ5sQK4TJXveRVn-hg@comcast.com...
> Mike wrote:
>
>>I made the changes in the database records and in the defines. Same thing happens. Everything
>>equates to a 1.
>>
>>
>>"Jerry Stuckle" <jstucklex@attglobal.net> wrote in message
>>news:y8ydnXXKi4H453jenZ2dnUVZ_sSdnZ2d@comcast.com...
>>Mike wrote:
>>
>>
>>>I am having a problem getting AND to work. I have a MySQL database field defined as varbinary(8)
>>>with X00 in it. Then I have define statements with X01 in it.
>>>
>>>define('CERTACCESS_MEDALS', x01);
>>>
>>>Then I run the data through a function
>>>
>>>function SecurityLevel_Check($security_byte, $securitylevel_bit) {
>>>//AND = 1 IF BOTH are 1
>>>return $security_byte And $securitylevel_bit; }
>>>
>>>if(SecurityLevel_Check($recordSet_cert->fields['certcode_access'], CERTACCESS_MEDAL) == 1) {
>>>
>>>
>>>No matter what the values are it always returns a 1. I've looked and looked at the docs and
>>>cannot
>>>figure out what I am doing wrong. I tried AND and & and both produce different but wrong results.
>>>
>>>PLEASE throw me a bone of a hint at what I am doing wrong.
>>>
>>>Thanks.
>>>
>>>Mike
>>>
>>>
>>
>>
>>x01 is a string containing the characters "x', '0' and '1'.
>>
>>0x01 is a one (or more) byte value with the lowest order bit on (and the
>>rest off).
>>
>>
>
>
> Also, "and" is a logical and, not a bit and. Any non-zero value will be
> true.
>
> If you need more help, I suggest you post all the failing code - not
> just a line or two.
>

I'm also confused why you're using pack() when you're already working on
bits.

What exactly are you trying to do, anyway?


--
==================
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Jerry Stuckle
JDS Computer Training Corp.
jstucklex@attglobal.net
==================

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