NYCPHP Meetup

[Dan Cech]

On 10/25/2010 12:22 PM, David Mintz wrote:
> Anybody know of any reason not to save a little typing with
>
> empty($array['foo'])

They're different comparisons, array_key_exists will return true if 
there is an element with that key *even if it is null or some other 
empty() value* (and the logic is reversed, you need !empty()), 
isset($array['foo']) is closer but will return false if the value is null.

http://us3.php.net/manual/en/types.comparisons.php

Dan