[wp-hackers] Re: hackers Digest, Vol 5, Issue 57

[Mark Jaquith]

Alexander Malov wrote:

>Thanks Kitty that did the trick! The space was messing things up.
>Sometimes the obvious doesn't occur to me until after the fact ;) I
>stuck with the space since WP SQL treat empty titles as that instead
>of NULL.
>
Erm... the space wasn't messing it up.  It was your use of "=" instead 
of "=="

And using empty() isn't right.  For example, this code doesn't echo 
anything:

<?php
$test = ' ';
if (empty($test)){
    echo 'it is empty';
}
?>

A string with a solitary space isn't empty.