You might also want to check the xor logical op:
http://www.php.net/manual/en/language.operators.logical.php
Mohamed~
[EMAIL PROTECTED] wrote:
>
> i have a php script that has three variables that could be set to "1"
> depending on the values of a form being sent to the .php file.
>
> $add
> $remove
> $view
>
> i need to do some error control in my script to make certain that one and
> only one of these is set to "1". i am coming up with a very long
> control structure:
>
> if (($add="1") && ($remove="1") || ($add="1") && ($view="1") || etc...))
>
> is there a shorter method to do this? and can i break this up onto
> multiple lines to make my code a bit cleaner? can i do something like:
>
> if (
> ($add="1") && ($remove="1") ||
> ($add="1") && ($view="1") ||
> ($remove="1") && ($view="1")
> ) {
>
> Thanks! -Charles
>
> --
> **
> There are two major products to come out of Berkeley:
> LSD and UNIX. We don't believe this to be a coincidence.
> **
>
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