[PHP] multiple select box

[Steve Goodman]

Hey all,
I'm curious if anyone else has ever come across this problem:
I have a multiple select box named 'chosen'. When it is submitted, only the
last option selected appears under $_POST['chosen'], when I print_r($_POST).
Any ideas?

Thanks in advance,
Steve

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[PHP] evaluating dynamic variable

[Steve Goodman]

Hi,
I'm having trouble evaluating a dynamic variable. I want to check if the
variable $_POST[resolutions$i] is an empty string, as you'll see from the
code. However, every way I've tried to check the variable so far (including
empty() and eval()) always returns a null value, even when the variable
should contain a value. I've probably been doing something wrong in my
previous efforts. Can someone recommend a way to reliably evaluate this
variable?

for ($i=1; $i=$entries; $i++) {
   if($_POST[resolutions$i] !== ''){
do_something();
   }
  }

Thanks.

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