On Thu, Jan 20, 2011 at 2:49 PM, Shawn McKenzie <nos...@mckenzies.net> wrote:
> On 01/20/2011 04:28 PM, Donovan Brooke wrote:
>> Hello again!
>>
>> I'm trying to find a good way to convert array key/value's to
>> variable name values... but with the caveat of the name being
>> slightly different than the original key
>> (to fit my naming conventions).
>>
>> first, I (tediously) did this:
>>
>> -------
>> if (isset($_GET['f_action'])) {
>> $t_action = $_GET['f_action'];
>> }
>>
>> if (isset($_POST['f_action'])) {
>> $t_action = $_POST['f_action'];
>> }
>>
>> if (isset($_GET['f_ap'])) {
>> $t_ap = $_GET['f_ap'];
>> }
>>
>> if (isset($_POST['f_ap'])) {
>> $t_ap = $_POST['f_ap'];
>> }
>> -------
>>
>> Instead, I wanted to find *all* incoming "f_" keys in the POST/GET
>> array, and convert them to a variable name consisting of "t_" in one
>> statement.
>>
>> I then did this test and it appears to work (sorry for email line breaks):
>>
>> ---------
>> $a_formvars = array('f_1' => '1','f_2' => '2','f_3' => '3','f_4' =>
>> '4','f_5' => '5','f_6' => '6',);
>>
>> $t_string = "";
>> foreach ($a_formvars as $key => $value) {
>> if (substr($key,0,2) == 'f_') {
>> $t_string = $t_string . "t_" . substr($key,2) . "=$value&";
>> parse_str($t_string);
>> }
>> }
>> ---------
>>
>> I figure I can adapt the above by doing something like:
>>
>> $a_formvars = array_merge($_POST,$_GET);
>>
>> However, I thought I'd check with you all to see if there is something
>> I'm missing. I don't speak PHP that well and there may be an easier way.
>>
>> Thanks,
>> Donovan
>>
>>
>
> I'm sure you have a good reason for doing this? It is needlessly adding
> complexity, but here is a one liner (not tested):
>
> extract(array_combine(str_replace('f_', 't_', array_keys($_POST)),
> array_values($_POST)));
>
> --
> Thanks!
> -Shawn
> http://www.spidean.com
>
That will fail if by chance that he has a form name set to
a_f_something or similar along the line. Or a possible attack that
comes in the form submission.
Regards,
Tommy
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