Re: isset
| From: | Robert Cummings | Date: | Tue, 17 Apr 2007 01:06:01 +0000 |
| Subject: | Re: isset | ||
| References: | 1 2 3 4 | Groups: | php.general |
| Request: | Send a blank email to php-general+get-253093@lists.php.net to get a copy of this message | ||
On Mon, 2007-04-16 at 19:05 -0500, Richard Lynch wrote:
> 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.
Fastest way to check if an array has elements...
<?php
if( $array )
{
}
?>
Cheers,
Rob.
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