On Tuesday 31 December 2002 21:44, Martin S wrote:
> > But something like:
> >
> > echo setCurrentDevGroup($devID);
>
> That gives the correct value as well. But I wanted it as a variable
> ($lookuptable) ...
>
> What I am trying to do is:
>
> setCurrentDevGroup($this->Computer); // call function and get a device
> group switch ($lookuptable) {
> case "computers":
> bla bla bla
> case "printers":
> yada yada yada
> }
>
> However, getting the inspired moment from your post, I tried
>
> switch (setCurrentDevGroup($this->Computer)) {
> case "computers":
> bla bla bla
> case "printers":
> yada yada yada
> }
>
> And now this part works at least.
> My understanding was that the function would return a value for
> $lookuptable which was useable in the code above. This is incorrect then?
If you want it so that the value of $lookuptable (in the global scope) is
changed when you call your function then you have to do something like:
<?php
function doo($dah, $dee, $etc) {
global $lookuptable;
$lookuptable = "Hello world";
}
doo(1, 2, 3);
echo $lookuptable; // prints "Hello world"
?>
More examples in manual > Variables > Variable scope
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