Re: If statement w/ multiple conditions
| From: | Jason Wong | Date: | Tue, 26 Nov 2002 15:57:23 +0000 |
| Subject: | Re: If statement w/ multiple conditions | ||
| References: | 1 | Groups: | php.general |
| Request: | Send a blank email to php-general+get-126109@lists.php.net to get a copy of this message | ||
On Tuesday 26 November 2002 23:45, Chris Shiflett wrote:
> --- Ernest E Vogelsinger <ernest@vogelsinger.at> wrote:
> > At 13:50 26.11.2002, ed@home.homes2see.com said:
> > >if ($lineone && $linetwo && $linethree && $linefour =
> > >"")
> >
> > Your expression yields true if 1-3 are not-empty AND four is an
> > empty string.
>
> Actually, this expression yields true when $lineone, $linetwo, and
> $linethree are all true. The variable $linefour is just being set to
> the empty string.
Actually that expression will always be FALSE. $linefour = "" does not
evaluate to TRUE thus the whole expression to be FALSE!
--
Jason Wong -> Gremlins Associates -> www.gremlins.biz
Open Source Software Systems Integrators
* Web Design & Hosting * Internet & Intranet Applications Development *
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