guests cant see bbcode

[LiLSnooP]

hello what can i do if i want that only members can see bbcode

i try this

PHP Code:

<if condition="$show['guest']">
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<else />
[TEXT] {param} [TEXT]
</if> 

on forumhome template it works properly
but when i add it to my bbcode it doesnt work well
i can see both

who know how to solve this problem