게시판 리스트 검색 부분 도움 요청합니다..

<select name="sfl" id="sfl">

            <option value="wr_subject"<?php echo get_selected($sfl, 'wr_subject', true); ?>>제목</option>

            <option value="wr_content"<?php echo get_selected($sfl, 'wr_content'); ?>>내용</option>

            <option value="wr_subject||wr_content"<?php echo get_selected($sfl, 'wr_subject||wr_content'); ?>>제목+내용</option>

            <option value="wr_9"<?php echo get_selected($list, 'wr_9'); ?>>글쓴이</option>

</select>

<?php

            if ($list[$i]['wr_9'] == '') {

                $txt = "델루나";

                $class = "c";

            } else if ($list[$i]['wr_9'] == '구찬성') {

                $txt = "구찬성";

                $class = "a";

            } else if ($list[$i]['wr_9'] == '장만월') {

                $txt = "장만월";

                $class = "b";

            }

        ?>