wr_item_code 변수에 아래와 같이 연결할 수 없습니까?

  $list[$i][wr_item_code] = $row['wr_item_code_1'] $row['wr_item_code_2'] $row['wr_item_code_3']

    $sql = "select * from g4_write_sales where (wr_shipment_day like '%$name2%') OR (wr_item_code_1 like '%$name2%') OR (wr_item_code_2 like '%$name2%') OR (wr_item_code_3 like '%$name2%') order by wr_shipment_day desc";
    $result = sql_query($sql);
    $search_count = 0;

    for ($i=0; $row=sql_fetch_array($result); $i++)
    {
        $list[$i][wr_purchase_date] = $row['wr_shipment_day'];  // 발송일
        $list[$i][wr_item_code] = $row['wr_item_code_1'] ;  // 코드
      $list[$i][wr_item_code] = $row['wr_item_code_2'] ;  // 코드
        $list[$i][wr_item_code] = $row['wr_item_code_3'] ; 
$search_count++;

    }