Need help with plugin to allow only one thread in selected forums

[flash.tato]

Only a suggestion delegating a job which MySQL can do to PHP i think is wrong.

PHP Code:

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$query = $db->simple_select("threads", "uid"); $uid = explode(",", $db->threads['uid']); $forum = $new_thread['fid']; if (in_array($forum,$uid)) { exit("You cannot post more than one thread in this forum"); }

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Nah! Add a WHERE clause with UID supplied and LIMIT 1 and you're done.
The point is that now you're fetching all uids of the forums when you need to know only if it exists.