[Mediawiki-l] Extension help: why is text appearing twice?

[Lane, Ryan]

> -----Original Message-----
> From: mediawiki-l-bounces at lists.wikimedia.org [mailto:mediawiki-l-
> bounces at lists.wikimedia.org] On Behalf Of Daniel Barrett
> Sent: Wednesday, August 29, 2007 1:14 PM
> To: MediaWiki announcements and site admin list
> Subject: Re: [Mediawiki-l] Extension help: why is text appearing
twice?
> 
> Jim Hu writes:
> >I suspect that dividing by zero doesn't crash, I bet it sends an
> >error to the log.
> >When I want to check that execution got somewhere by crashing I use
> >exit;
> 
> Even using exit produces no effect in the OutputPageBeforeHTML hook
> function. I think it's just not being executed.
> Here is the example again:
> 
> $wgHooks['OutputPageBeforeHTML'][] = 'vpHookOutput';
> 
> function vpHookOutput(&$parserOutput, &$text) {
>   exit(5);
> }
> 
> The page still displays normally.
> 
> Sigh.
> DanB
> 

Are you using any other extensions? If so, are any using that hook? If
so, when they use that hook, do they return true?

V/r,

Ryan Lane