// Are we being requested to hide the specified topic?
    if ($hide_topic)
    {
        // Can't do anything if the board ID is empty, either....
        $user = (int) $user_info['id'];
        if (empty($board))
            continue;
 
        // Insert the row into the hide_topics table:
        $smcFunc['db_insert']('insert',
            '{db_prefix}hide_topics',
            array('id_member' => 'int', 'id_topic' => 'int', 'id_board' => 'int'),
            array($user, $topic, (int) $board),
            array('id_member', 'id_topic', 'id_board')
        );
    }