Thanks for clearing that up. So input of type text does a set, which makes isset() true, but isset() does not return true if $var is merely empty.
Jason Wong
<php-general@grem To: [EMAIL PROTECTED]
lins.biz> cc:
Subject: Re: [PHP] empty and isset
02/06/2003 11:28
AM
Please respond to
php-general
On Thursday 06 February 2003 22:50, [EMAIL PROTECTED] wrote:
> > <input> of type text are set regardless of whether you have entered
> > anything.
> > Thus isset() returns true.
> Actually, I believe it's not a matter of the input being set, but the
fact
> that isset() returns true on an empty variable.
Try this:
<?php
if (isset($doo)) {
print '$doo is set'; // does not get printed
}
if (empty($doo)) {
print '$doo is empty'; // gets printed
}
?>
--
Jason Wong -> Gremlins Associates -> www.gremlins.biz
Open Source Software Systems Integrators
* Web Design & Hosting * Internet & Intranet Applications Development *
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