How to get 'userid' in bbcode_quote template?

[oldz442]

Thanks.

I am completely new to this hook/template thing, and never touched it before. I have the below plugin so far, but it is wrong of course, as it gives errors in the weblogs (PHP Fatal error: Only variables can be passed by reference...). What am I missing? All I need really is the User ID returned to bbcode_quote so I can complete a URL so it displays the avatar (ie. ...src="image.php?u={vb:raw quote_userid}...)

require_once('./includes/functions_user.php');

$userid = fetch_userinfo(1);
$quote_userid = $userid;

$templater = vB_Template::create('bbcode_quote');
$templater->register('quote_userid', $quote_userid);
$templater->render();