conditional in bbcode - display bbcode only for guest

[bartek24m]

I just do it ! but still have problem

problem is with {param} i cant see it ...

Look what i've done till now....

#1
open:
includes/class_bbcode.php
ADD somewhere

function handle_bbcode_my_special_code($my_code_text)
{
global $vbulletin, $show;

$template = 'my_code_display';
eval('$html = "' . fetch_template($template) . '";');
return $html;
}

#2

ADD before //URL

// [special code]
$tag_list['no_option']['my-special-code'] = array(
'callback' => 'handle_bbcode_my_special_code'
);

#3
create new template: my_code_display

paste this code:

<if condition="$show[guest]">Hi guest</if>
<if condition="$show[member]">hi member</if>

now when i try to add up some words between [my-special-code] xxx [/my-special-code]

i cant se the xxx but only

Hi guest or Hi member

how to add up the words between my TAG's