function boardsPosts($boards, $categories, $wanna_see_board = false)
{
    global $smcFunc;

    $clauses = array();
    $clauseParameters = array();
    if (!empty($categories))
    {
        $clauses[] = 'id_cat IN ({array_int:category_list})';
        $clauseParameters['category_list'] = $categories;
    }
    if (!empty($boards))
    {
        $clauses[] = 'id_board IN ({array_int:board_list})';
        $clauseParameters['board_list'] = $boards;
    }

    if (empty($clauses))
        return array();

    $request = $smcFunc['db_query']('', '
        SELECT b.id_board, b.num_posts
        FROM {db_prefix}boards AS b
        WHERE ' . ($wanna_see_board ? '{query_wanna_see_board}' : '{query_see_board}') . '
            AND b.' . implode(' OR b.', $clauses),
        array_merge($clauseParameters, array(
        ))
    );
    $return = array();
    while ($row = $smcFunc['db_fetch_assoc']($request))
        $return[$row['id_board']] = $row['num_posts'];
    $smcFunc['db_free_result']($request);

    return $return;
}

function boardsByCategories($categories, $wanna_see_board = false)
{
    global $smcFunc;

    $request = $smcFunc['db_query']('', '
        SELECT b.id_board
        FROM {db_prefix}boards AS b
        WHERE ' . ($wanna_see_board ? '{query_wanna_see_board}' : '{query_see_board}') . (!empty($categories) ? '
            AND b.id_cat IN ({array_int:id_cat})' : '
            AND b.id_board != {int:recycle_board}'),
        array(
            'recycle_board' => !empty($modSettings['recycle_board']) ? $modSettings['recycle_board'] : 0,
            'id_cat' => $categories,
        )
    );
    $return = array();
    while ($row = $smcFunc['db_fetch_assoc']($request))
        $return[$row['id_board']] = $row['num_posts'];
    $smcFunc['db_free_result']($request);

    return $return;
}