[dokuwiki] Global vars within plugins...

Hi all,

For a plugin, I'm looking to check the availability of an installed library.

The only way I've found I can do this (anyone know another way?) is to do this:

$libAvailable = (!@include_once("Lib/example.php")) ? false : true;

Now this of course works outside of the plugin class definitions,
however, I need to know from within a class method if it's available.

Strangely enough, I'd think that simply adding to the class method:

global $libAvailable;

...Would make this variable available from within the method, however
I find that this is not the case.

Now I could just simply say:

function html()
{
...
$libAvailable = (!@include_once("Lib/example.php")) ? false : true;
...
}

Much to my surprise, this works, however I would imagine this is the
worst possible thing you could do-- include a library from within the
scope of a class method, right?

Any ideas on how I can solve this problem? Or any alternatives to
check existence of a library?

Thanks,
-- 
--Terence J. Grant
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