Re: isset
| From: | Richard Lynch | Date: | Tue, 17 Apr 2007 00:05:30 +0000 |
| Subject: | Re: isset | ||
| References: | 1 2 3 | Groups: | php.general |
| Request: | Send a blank email to php-general+get-253085@lists.php.net to get a copy of this message | ||
On Mon, April 16, 2007 6:10 pm, Jochem Maas wrote:
> if I know it's an array I'll definitely use empty() over count() ....
> count() needs to actually count the items where as empty() can return
> false
> as soon as it finds a singel element ... maybe I'm mistaken - if so
> please
> put me right.
You're wrong.
The count is maintained internally as items are added/removed, and it
is an O(1) operation for PHP to "count" the array, as it already knows
the answer and just returns it.
--
Some people have a "gift" link here.
Know what I want?
I want you to buy a CD from some indie artist.
http://cdbaby.com/browse/from/lynch
Yeah, I get a buck. So?