Re: substr passing null...
| From: | Kenan R Sulayman | Date: | Wed, 28 Jan 2009 19:22:11 +0000 |
| Subject: | Re: substr passing null... | ||
| References: | 1 2 3 4 5 6 7 8 9 | Groups: | php.internals |
| Request: | Send a blank email to internals+get-42872@lists.php.net to get a copy of this message | ||
Why don't make the function return FALSE if parameter equals NULL ?
--
(c) Kenan Sulayman
Freelance Designer and Programmer
Life's Live Poetry
2009/1/28 Paul Biggar <paul.biggar@gmail.com>
> On Wed, Jan 28, 2009 at 6:39 PM, Dan <dan@dancryer.com> wrote:
> >>
> >> You're assumption is wrong then, NULL isn't treated as not passing a
> >> value. The reason it worked with substr was by pure chance.
> >>
> >
> > Out of interest, is there a reason that that is the case? Surely passing
> > null would be best treated as the same as passing nothing?
>
> NULL is a value. There is no way to tell that when you pass NULL, you
> actually intended to pass nothing and use the default value.
>
> Paul
>
>
> --
> Paul Biggar
> paul.biggar@gmail.com
>
> --
> PHP Internals - PHP Runtime Development Mailing List
> To unsubscribe, visit: http://www.php.net/unsub.php
>
>