checkbox 다중선택 값을 어떻게 받아 오나요? 채택완료

</p><p><tr>
<th scope="row"><label for="wr_1">테이블명 wr_1</label></th>
<td>
 <?php $ex_1 = explode("|", $write['wr_1']); ?>
 <span><input type="checkbox" name="ex1_00" value="01" <?php echo ($ex_1[0] == "01") ? "checked" : "";?>> 2</span>  
 <span><input type="checkbox" name="ex1_01" value="02" <?php echo ($ex_1[1] == "02") ? "checked" : "";?>> 3</span>  
 <span><input type="checkbox" name="ex1_02" value="03" <?php echo ($ex_1[2] == "03") ? "checked" : "";?>> 4</span>
 <span><input type="checkbox" name="ex1_03" value="04" <?php echo ($ex_1[3] == "04") ? "checked" : "";?>> 5</span>  
 <span><input type="checkbox" name="ex1_04" value="05" <?php echo ($ex_1[4] == "05") ? "checked" : "";?>> 6</span>  
 <script>
  var str_wr_1 = "<?=$write[wr_1]?>";
  $("input:checkbox[name='wr_1[]']").each(function(index){
  if(str_wr_1.indexOf($(this).val()) > -1){
  $(this).attr("checked", true);
  }
  });
 </script></p><p></td></tr></p><p>

</p><p><?php
if (!defined('_GNUBOARD_')) exit;</p><p>$wr_1 = " 
$ex1_00|
$ex1_01|
$ex1_02|
$ex1_03|
$ex1_04|
";
$sql1 = " update {$write_table} set wr_1 = '{$wr_1}' where wr_id = '{$wr_id}' ";
sql_query($sql1);</p><p>?></p><p>