분류별 공지사항에 대한 질문입니다.

if ($is_search_bbs) {
    if( $sca && !$stx ) {
        $sql = " select distinct wr_parent from {$write_table} where {$sql_search} ";
        if(!empty($notice_array))
            $sql .= " and wr_id not in (".implode(', ', $notice_array).") ";
        $sql .= " {$sql_order} limit {$from_record}, $page_rows ";
    } else {
        $sql = " select distinct wr_parent from {$write_table} where {$sql_search} {$sql_order} limit {$from_record}, $page_rows ";
    }
} else {
    $sql = " select * from {$write_table} where wr_is_comment = 0 ";
    if(!empty($notice_array))
        $sql .= " and wr_id not in (".implode(', ', $notice_array).") ";
    $sql .= " {$sql_order} limit {$from_record}, $page_rows ";
}