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Variable variables?

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I have a situation which I 'think' I need to use variable variables and 
not sure how to go about it.


I have several <select multiple> elements on a search form with their 
names created dynamically and the options created dynamically.

$parent holds the name such as "Women", "Mens" etc..
$c_id holds category_id and is sent off as the 'value' of the option.

This form is self calling and an array is created for the multiple 
option selected.

Women => array([0]=>20,[1]=>21,...)
Mens => array([0]=>32,[1]=>35,...)

I am using in_array() to check returned posted values against an id.

How do I reference that array by using the value of $parent.

if $parent is 'Women' I need to reference the array 'Women'

Here is a nutshell of the algorithm.

foreach($parent_ary as $parent) {
	echo "<select {$parent}[] multiple>";
	foreach($category_ary as $c_id=>$category) {
		if(in_array($c_id, array of posted value)) {
			// Create select option
		} else {
			// Create regular option
		}
	}
	echo "</select>";
}

I hope this makes sense and yes I did RTM but could not transpose what 
they where explaining to what I need to do.

Thanks
Scotty

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Variable variables? Scott Johnson <noonehome@chalupasworld.com> - 2013-07-25 19:56 -0700
  Re: Variable variables? Jerry Stuckle <jstucklex@attglobal.net> - 2013-07-26 06:56 -0400
    Re: Variable variables? Scott Johnson <noonehome@chalupasworld.com> - 2013-07-26 12:39 -0700
      Re: Variable variables? Jerry Stuckle <jstucklex@attglobal.net> - 2013-07-27 09:48 -0400
        Re: Variable variables? Tim Streater <timstreater@greenbee.net> - 2013-07-27 15:45 +0100
          Re: Variable variables? The Natural Philosopher <tnp@invalid.invalid> - 2013-07-27 15:46 +0100
            Re: Variable variables? Tim Streater <timstreater@greenbee.net> - 2013-07-27 15:53 +0100
  Re: Variable variables? Luuk <luuk@invalid.lan> - 2013-07-26 22:04 +0200
    Re: Variable variables? Scott Johnson <noonehome@chalupasworld.com> - 2013-07-26 20:27 -0700
  Re: Variable variables? Christoph Michael Becker <cmbecker69@arcor.de> - 2013-07-26 22:17 +0200
    Re: Variable variables? Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2013-07-27 09:37 +0200

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