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Re: Variable variables?

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On 7/26/2013 3:56 AM, Jerry Stuckle wrote:
> On 7/25/2013 10:56 PM, Scott Johnson wrote:
>> 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($c_id, array of posted value)) {
>>              // Create select option
>>          } else {
>>              // Create regular option
>>          }
>>      }
>>      echo "</select>";
>> }
>>
>> I hope this makes sense and yes I did RTM but could not transpose what
>> they where explaining to what I need to do.
>>
>> Thanks
>> Scotty
>
> I'm not sure why you think you need variable variables (another sucky
> idea on PHP's part, IMHO).  Build your array with the field name as the
> key and the value as the data.  Then you can access it as
>
>    foreach ($array as $key=>$value)
>
> If each key contains multiple values, then $value is just another array.
>
> Just be sure to validate your incoming data.  Such constructions are
> more susceptible to be hacked unless you're very careful.
>

Well I was thinking of variable variables because.....I ran out of ideas 
and it seemed like a way to go?  ;)

I will give what you suggest a go, seems like a simple enough approach.

Thanks
Scotty

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Thread

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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