I like it... Thanks!
On Thu, Jul 30, 2009 at 8:04 PM, Ben Dunlap<bdunlap@xxxxxxxxxxxxxxxxxx> wrote:
>> I don't THINK I need to worry about circular mappings... but I'm not
>> sure how to check for it if I did...
> Would the following work? It avoids recursion entirely and also checks for
> circular mappings. You can plug in your own code where the comments are to do
> whatever is appropriate when a circular mapping is detected.
>
> function GetMappedField($Field)
> {
> $OriginalField = $Field;
>
> while (isset($FieldMap[$Field])) {
> $Field = $FieldMap[$Field];
>
> if ($Field === $OriginalField) {
> /*
> * circular mapping has been detected;
> * report an error or explode or whatever
> */
> break;
> }
> }
>
> return $Field;
> }
>
>
> Ben
>
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