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php3-list | 199901

Re: [PHP3] $HTTP_POST_VARS From: Daniel Lashua (daniel.lashua <email protected>)
Date: 01/08/99

Harmony-

Unfortunately, it does not work quite like this. Your POSTED variables
are set into the "namespace" when PHP Script Execution is started,
however, once it is going, PHP has no link between
$HTTP_POST_VARS["dog"] and $dog. It would be the same as me doing
array_walk($MY_OWN_ARRAY,'filter') and expecting that to change
something global.

I have never used array_walk, so I am not sure exactly how it works,
but, if you can (in your function) find out what index in the array is
being changed, then you could always set it as a global in your
function, then it would change like you want it to.

For Instance:

my_function filter ($in_str) {

        # do something to in_str to make
        # it different than it was before
        $in_str .= " hi";

        # find out the index in the array
        # we are working with
        $on = some_func_to_get_index($in_str);

        # set the global value
        $GLOBALS[$on] = $in_str;

        return $in_str;

}

I don't think there is a way to get the index though... so your best bet
might be to write your own little array_walk function, so that you can
get the index.

Hope this helped,
Daniel

Harmony wrote:
>
> I want to pass all values of POST variables to a function
> before further action.
>
> i.e. my_function filter ($in_str) {
> $in_str = trim(ereg_replace....(.... ($in_str)));
> }
> $var_new_1 = my_function($var_old_1);
> $var_new_2 = my_function($var_old_2);
> $var_new_3 = my_function($var_old_3);
> ..
>
> I know $HTTP_POST_VARS (thanks to people who gave me hints).
>
> array_walk($HTTP_POST_VARS,'filter');
>
> The values of changed variables work only when called as:
> $HTTP_POST_VARS[var_new_1];
>
> but incorrect when called directly as $var_new_1
>
> WHY?
>
> What's the proper way for doing what I intended?
>
> Thanks a lot!
>
> Regards,
> harmony
>
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