form id값 증가관련 문의드립니다

//폼부분

<form action="./wirte_sfield_insert.php?bo_table=<?echo $url?>" method="post">

 

//input부분

 

<input type="text" name="bo_select" id="bo_select[]" class="frm_input2" placeholder="필드명을 입력해 주세요." value="<?=$board['bo_select']?>">

 

//insert페이지

for($i=0;$i<sizeof($bo_select);$i++) {

  if($bo_select[$i]){

      $sql1 = "INSERT INTO 테이블명

          (mta_idx, mta_country, mta_db_table, mta_db_id, mta_key, mta_value, mta_reg_dt) VALUES (NULL, 'ko_KR', 'board', '".$bo_table."','bo_select".($i+1)."', '".$bo_select."',now())";

      echo $sql1.'';

 

  }

}