Re: Re: [metabase-dev] NULL
| From: | Stig S. Bakken | Date: | Sun, 15 Sep 2002 19:37:30 +0000 |
| Subject: | Re: Re: [metabase-dev] NULL | ||
| References: | 1 2 | Groups: | php.pear.dev |
| Request: | Send a blank email to pear-dev+get-9067@lists.php.net to get a copy of this message | ||
On Fri, 2002-09-13 at 07:45, Manuel Lemos wrote:
> Hello,
>
> On 09/12/2002 08:48 AM, Lukas Smith wrote:
> > how about the following functionality:
> >
> > $value = NULL;
>
> AFAIK, this the same as UnSet($value);
"$value = null;" will make an entry for $value in the current symbol
table, but operators such as === and isset() are not able to distinguish
between an unset (or never set) variable and one that is set to NULL.
- Stig
--
Stig Sæther Bakken, Fast Search & Transfer ASA, Trondheim, Norway
http://pear.php.net/wishlist.php/ssb