Re: An array curiosity....
| From: | Robert Cummings | Date: | Mon, 26 Jan 2004 18:08:22 +0000 |
| Subject: | Re: An array curiosity.... | ||
| References: | 1 2 | Groups: | php.general |
| Request: | Send a blank email to php-general+get-175791@lists.php.net to get a copy of this message | ||
On Mon, 2004-01-26 at 09:57, joel boonstra wrote:
> On Mon, Jan 26, 2004 at 08:50:51AM -0600, Jay Blanchard wrote:
> > Out of curiosity, and because I have never noted this in other
> > languages, why doesn't an 'open' comma at the end of an array throw any
> > kind of error? Is it because the comma denotes another element in the
> > array even if nothing is their? For example
> >
> > $arrBadInfo = array(
> > 'stuff ',
> > 'morstuff',
> > );
> >
> > does not throw an error - even syntactical -
>
> This is as a convenience to programmers. Often arrays have things added
> or removed as you're coding -- not having to worry about removing a
> trailing comma for an element that is now the last one, or adding one to
> previous elements when adding items to the list is a small but useful
> timesaver.
>
> Perl does this as well. I'm not sure which other languages do, but I
> like it.
C also supports it. Personally I leave a trailing comma for the exact
reason mentioned above.
Cheers,
Rob.
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