[많이 질문하지만, 해결안되는 문제] 옵션가 문제

// 상품 선택옵션
function get_item_options($it_id, $subject, $is_div='', $is_first_option_title='')
{
    global $g5, $it; // ★ $it 추가. 실행 시점에 상품 정보가 할당되어 있는 변수

    if(!$it_id || !$subject)
        return '';

    $sql = " select * from {$g5['g5_shop_item_option_table']} where io_type = '0' and it_id = '$it_id' and io_use = '1' order by io_no asc ";
    $result = sql_query($sql);
    if(!sql_num_rows($result))
        return '';

    $str = '';
    $subj = explode(',', $subject);
    $subj_count = count($subj);

    if($subj_count > 1) {
        $options = array();

        // 옵션항목 배열에 저장
        for($i=0; $row=sql_fetch_array($result); $i++) {
            $opt_id = explode(chr(30), $row['io_id']);

            for($k=0; $k<$subj_count; $k++) {
                if(!is_array($options[$k]))
                    $options[$k] = array();

                if($opt_id[$k] && !in_array($opt_id[$k], $options[$k]))
                    $options[$k][] = $opt_id[$k];
            }
        }

        // 옵션선택목록 만들기
        for($i=0; $i<$subj_count; $i++) {
            $opt = $options[$i];
            $opt_count = count($opt);
            $disabled = '';
            if($opt_count) {
                $seq = $i + 1;
                if($i > 0)
                    $disabled = ' disabled="disabled"';

                if($is_div === 'div') {
                    $str .= '<div class="get_item_options">'.PHP_EOL;
                    $str .= '<label for="it_option_'.$seq.'" class="label-title">'.$subj[$i].'</label>'.PHP_EOL;
                } else {
                    $str .= '<tr>'.PHP_EOL;
                    $str .= '<th><label for="it_option_'.$seq.'" class="label-title">'.$subj[$i].'</label></th>'.PHP_EOL;
                }

                $select = '<select id="it_option_'.$seq.'" class="it_option"'.$disabled.'>'.PHP_EOL;

                $first_option_title = $is_first_option_title ? $subj[$i] : '선택';

                $select .= '<option value="">'.$first_option_title.'</option>'.PHP_EOL;
                for($k=0; $k<$opt_count; $k++) {
                    $opt_val = $opt[$k];
                    if(strlen($opt_val)) {
                        $select .= '<option value="'.$opt_val.'">'.$opt_val.'</option>'.PHP_EOL;
                    }
                }
                $select .= '</select>'.PHP_EOL;

                if($is_div === 'div') {
                    $str .= '<span>'.$select.'</span>'.PHP_EOL;
                    $str .= '</div>'.PHP_EOL;
                } else {
                    $str .= '<td>'.$select.'</td>'.PHP_EOL;
                    $str .= '</tr>'.PHP_EOL;
                }
            }
        }
    } else {
        if($is_div === 'div') {
            $str .= '<div class="get_item_options">'.PHP_EOL;
            $str .= '<label for="it_option_1">'.$subj[0].'</label>'.PHP_EOL;
        } else {
            $str .= '<tr>'.PHP_EOL;
            $str .= '<th><label for="it_option_1">'.$subj[0].'</label></th>'.PHP_EOL;
        }

        $select = '<select id="it_option_1" class="it_option">'.PHP_EOL;
        $select .= '<option value="">선택</option>'.PHP_EOL;
        for($i=0; $row=sql_fetch_array($result); $i++) {

            /* ★ 주석 처리

            if($row['io_price'] >= 0)
                $price = '&nbsp;&nbsp;+ '.number_format($row['io_price']).'원';
            else
                $price = '&nbsp;&nbsp; '.number_format($row['io_price']).'원';

            */

            $price = '&nbsp;&nbsp; '.number_format($it['it_price']+$row['io_price']).'원'; // ★ 추가

            if($row['io_stock_qty'] < 1)
                $soldout = '&nbsp;&nbsp;[품절]';
            else
                $soldout = '';

            $select .= '<option value="'.$row['io_id'].','.$row['io_price'].','.$row['io_stock_qty'].'">'.$row['io_id'].$price.$soldout.'</option>'.PHP_EOL;
        }
        $select .= '</select>'.PHP_EOL;
        
        if($is_div === 'div') {
            $str .= '<span>'.$select.'</span>'.PHP_EOL;
            $str .= '</div>'.PHP_EOL;
        } else {
            $str .= '<td>'.$select.'</td>'.PHP_EOL;
            $str .= '</tr>'.PHP_EOL;
        }

    }

    return $str;
}