Re: If statement w/ multiple conditions
| From: | Ernest E Vogelsinger | Date: | Tue, 26 Nov 2002 13:05:27 +0000 |
| Subject: | Re: If statement w/ multiple conditions | ||
| References: | 1 | Groups: | php.general |
| Request: | Send a blank email to php-general+get-126078@lists.php.net to get a copy of this message | ||
At 13:50 26.11.2002, ed@home.homes2see.com said:
--------------------[snip]--------------------
> I'll be trying to use a routine that checks 4 seperate variables for
>content and need to know the easiest method to do so. The function works
>on 2 conditions; either all the variables are empty and I do something or
>I do something else.
>
>$lineone
>$linetwo
>$linethree
>$linefour
>
> Would you use
>
>if ($lineone && $linetwo && $linethree && $linefour = "")
--------------------[snip]--------------------
Your expression yields true if 1-3 are not-empty AND four is an empty
string. Not sure if that's what you want.
All empty:
!($lineone || $linetwo || $linethree || $linefour)
--or--
!$lineone && !$linetwo && !$linethree && !$linefour
All set:
$lineone && $linetwo && $linethree && $linefour
--
>O Ernest E. Vogelsinger
(\) ICQ #13394035
^ http://www.vogelsinger.at/