[pmwiki-users] Problem with $FmtPV;

[Patrick R. Michaud]

On Tue, May 22, 2007 at 02:53:42PM -0400, Vince Admin Account wrote:
> 
> On May 22, 2007, at 2:47 PM, Patrick R. Michaud wrote:
> 
> >On Tue, May 22, 2007 at 01:05:08PM -0400, Ben Wilson wrote:
> >>On 5/22/07, Patrick R. Michaud <pmichaud at pobox.com> wrote:
> >>>For example, in PHP I can write:
> >>>
> >>>   $x = a2007W19;
> >>>
> >>>PHP automaticaly treats the bareword string as though I had written:
> >>>
> >>>   $x = 'a2007W19';
> >
> >I should also note that even though PHP _allows_ a programmer
> >to write bareword strings in this way, doing so is considered
> >very bad (and potentially unsafe) programming practice.
>
> Patrick, please don't end there. Tell us what should be done.
> Is it $x="a2007W19" or ...

Oh.  In general one should use single quotes instead of 
bareword strings:

    $x = a2007W19;        # bad
    $x = 'a2007W19';      # good

The same goes for constant string indexes inside of arrays:

    $a = $x[color];       # bad
    $a = $x['color'];     # good

Pm