Re: Variable variables into an array.

On 10 August 2010 16:49, Jim Lucas <lists@cmsws.com> wrote: > Richard Quadling wrote: >> >> Hi. >> >> Quick set of eyes needed to see what I've done wrong... >> >> The following is a reduced example ... >> >> <?php >> $Set = array(); >> $Entry = 'Set[1]'; >> $Value = 'Assigned'; >> $$Entry = $Value; >> print_r($Set); >> ?> >> >> The output is an empty array. >> >> Examining $GLOBALS, I end up with an entries ... >> >>    [Set] => Array >>        ( >>        ) >> >>    [Entry] => Set[1] >>    [Value] => Assigned >>    [Set[1]] => Assigned >> >> >> According to >> http://docs.php.net/manual/en/language.variables.basics.php, >> a variable named Set[1] is not a valid variable name. The [ and ] are >> not part of the set of valid characters. >> >> In testing all the working V4 and V5 releases I have, the output is >> always an empty array, so it looks like it is me, but the invalid >> variable name is an issue I think. >> >> Regards, >> >> Richard. >> >> NOTE: The above is a simple test. I'm trying to map in nested data to >> over 10 levels. > > For something like this, a string that looks like a nested array reference, > you might need to involve eval for it to "derive" that nested array. > I'm happy with that. It seems variable variables can produce variables that do not follow the same naming limitations as normal variables. -- Richard Quadling.