[FX.php List] $useInnerArray

[Gjermund Gusland Thorsen]

Good point Dale, all arrays in todays programming languages are mutable.

ggt667

On 4/6/07, Dale Bengston <dbengston at preservationstudio.com> wrote:
> It returns a one-fewer-dimensional array. It depends on where you
> start measuring dimensions, I guess. :-)
>
> Dale
>
> On Apr 6, 2007, at 12:18 PM, Vision Computer Consulting wrote:
>
> > Thank you. I will try to read the documentation more throughly next
> > time.
> >
> > You explanation was helful though.
> >
> > I interpret to mean that you get a 2 dimensional array returned
> > instead of a 3 dimensional array. Is that correct?
> >
> > Stephen
> >
> > On Apr 6, 2007, at 10:01 AM, Dale Bengston wrote:
> >
> >> No, it has nothing to do with simulating SQL syntax. From the
> >> FXFunctions.pdf (page 10):
> >>
> >> >> The final parameter, $useInnerArray, determines whether the
> >> returned data should make
> >> allowance for repeating fields and/or portals.  This is discussed
> >> in greater detail in connection with
> >> the FlattenInnerArray() function, above.
> >>
> >> The discussion of FlattenInnerArray() is also on page 10:
> >>
> >> By default, FX.php adds an inner layer to the returned array to
> >> allow for FileMaker repeating fields
> >> and/or portals.  Since most fields on a layout usually do not fall
> >> into these criteria, often code to
> >> display field data will have a trailing "[0]".  FlattenInnerArray
> >> () can be used to remove this inner layer
> >> if desired, and so obviate the need for the trailing, bracketed
> >> zero.  This function has no associated
> >> parameters.
> >>
> >>
> >> So, what it really means is without FlattenInnerArray() or
> >> $useInnerArray, your reference to a field's contents on a specific
> >> record would be:
> >>
> >> $returnData['data'][key]['myField'][0]
> >>
> >> ...and with FlattenInnerArray() or $useInnerArray, it would be:
> >>
> >> $returnData['data'][key]['myField']
> >>
> >>
> >>
> >> Dale
> >>
> >>
> >>
> >> On Apr 6, 2007, at 11:53 AM, Vision Computer Consulting wrote:
> >>
> >>> Is $useInnerArray similar to doing a SQL 'INNER JOIN'? If so, how
> >>> would you do an 'LEFT OUTER JOIN'?
> >>>
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