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Posted by Jerry Stuckle on 12/02/07 04:46
Rob Wilkerson wrote:
> On Dec 1, 10:57 pm, Jerry Stuckle <jstuck...@attglobal.net> wrote:
>> Your method should be getting the bitwise expression, also. Just
>> because it's a method in a class doesn't make any difference as to
>> what's being called.
>>
>> How about some code?
>
> The code is all kind of up there. I think maybe I haven't done a very
> good job of describing the context so let me try to do better.
>
> In the standalone function solution, the function exists in a file
> that is included. That file also includes the constant definitions
> (outside the function). When the file containing the constants and
> functions is included any code calling the function can use the
> constants when passing parameters to the function.
>
> The method, on the other hand, will be part of a class that exists as
> a singleton. I'll make the singleton available to other objects (in a
> manner I haven't decided yet) and call the method from within that
> object as MyClass::getInstance()->my_method ( ... ). At the time the
> call is made, the flags will not be available as constants, but I'd
> still like to be able to pass the human readable syntax. To do that,
> I've moved the constants into my_method() with the intent of
> translating the flag's variable name into its bit value at the top of
> the method. That's done and I get the expression I'm expecting (1|32|
> 8), but not the evaluated value I need. Here's a snippet from the
> method that _might_ help:
>
> $result = $myobj->my_method ( 'arg1', 'arg2', 'PREG_FIND_RECURSIVE|
> PREG_FIND_RETURNASSOC' );
>
> At the top of the function, I have the following code to re-evaluate
> the flags into their bits:
>
> $tmp = preg_split ( '/([|&^~])/', $args,
> -1 ,PREG_SPLIT_DELIM_CAPTURE );
> $args = '';
>
> foreach ( $tmp as $arg ) {
> $args .= defined ( "self::$arg" ) ? constant ( "self::$arg" ) : $arg;
> }
>
> At this point, I have '1|32|8' rather than 41. I'm not sure how to
> make that next step or, alternatively, to process the string more
> effectively as a bit expression.
>
> I hope that helps a little. Thanks again.
No, let's see your entire method - and more importantly, the code that's
calling it. You shouldn't need to do any of the stuff you're doing
here. You have something else wrong, but my crystal ball is broken.
So, without the code it's impossible to see what you've got.
--
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Remove the "x" from my email address
Jerry Stuckle
JDS Computer Training Corp.
jstucklex@attglobal.net
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