여분필드 이용해서 체크박스 다중 선택 질문요. 채택완료

</p>

<p><td>

<!--input name=wr_7 autofocus class="frm_input required" id="wr_7" title="근무형태" value="<?=$write[wr_7]?>" itemname="근무형태"-->

<?php

$wr = explode("|", $write['wr_7']);</p>

<p> ?>

<input type="checkbox" name="wr_7_1" value="주간"  <?php echo ($wr[0] == "주간") ? "checked" : "";?>>주간

<input type="checkbox" name="wr_7_2" value="2교대" <?php echo ($wr[1] == "2교대") ? "checked" : "";?>>2교대

<input type="checkbox" name="wr_7_3" value="3교대" <?php echo ($wr[2] == "3교대") ? "checked" : "";?>>3교대

            </td></p>

<p>

</p>

<p>$wr_7 = "$wr_7_1|$wr_7_2|$wr_7_3";

$str = $wr_7;

$str = rtrim($str,"|");//문자열 맨 앞 | 제거

$str = ltrim($str,"|");//문자열 맨 뒤 | 제거

$str = str_replace('||','',str_replace('|||','',str_replace('||||','',str_replace('|||||','',$str)))); // 중복되는 | 제거

$str2 = explode("|" , $str);

$cnt = count($str2);

for ($i=0; $i<$cnt; $i++) {

  if($i < $cnt - 1) {   //마지막이 아닌것은 콤마를 찍어줌

    echo trim($cm[$i]). ", ";

    } else {

    echo trim($cm[$i]); //마지막 값은 콤마를 찍지 않음

    }

   }

$sql8 = " update {$write_table} set wr_7 = '{$wr_7}' where wr_id = '{$wr_id}' ";</p>

<p>sql_query($sql8);