OLDBOY/shop/ordercoupon.php
<?php
include_once('./_common.php');

if($is_guest)
    exit;

$price = isset($_POST['price']) ? preg_replace('#[^0-9]#', '', $_POST['price']) : 0;

if($price <= 0)
    die('상품금액이 0원이므로 쿠폰을 사용할 수 없습니다.');

// 쿠폰정보
$sql = " select *
            from {$g5['g5_shop_coupon_table']}
            where mb_id IN ( '{$member['mb_id']}', '전체회원' )
              and cp_method = '2'
              and cp_start <= '".G5_TIME_YMD."'
              and cp_end >= '".G5_TIME_YMD."'
              and cp_minimum <= '$price' ";
$result = sql_query($sql);
$count = sql_num_rows($result);
?>

<!-- 쿠폰 선택 시작 { -->
<div class="od_coupon_wrap">
    <div id="od_coupon_frm" class="od_coupon">
        <h3>쿠폰 선택</h3>
        <?php if($count > 0) { ?>
        <div class="tbl_head02 tbl_wrap">
            <table>
            <caption>쿠폰 선택</caption>
            <thead>
            <tr>
                <th scope="col">쿠폰명</th>
                <th scope="col">할인금액</th>
                <th scope="col">적용</th>
            </tr>
            </thead>
            <tbody>
            <?php
            for($i=0; $row=sql_fetch_array($result); $i++) {
                // 사용한 쿠폰인지 체크
                if(is_used_coupon($member['mb_id'], $row['cp_id']))
                    continue;

                $dc = 0;
                if($row['cp_type']) {
                    $dc = floor(($price * ($row['cp_price'] / 100)) / $row['cp_trunc']) * $row['cp_trunc'];
                } else {
                    $dc = $row['cp_price'];
                }

                if($row['cp_maximum'] && $dc > $row['cp_maximum'])
                    $dc = $row['cp_maximum'];
            ?>
            <tr>
                <td>
                    <input type="hidden" name="o_cp_id[]" value="<?php echo $row['cp_id']; ?>">
                    <input type="hidden" name="o_cp_prc[]" value="<?php echo $dc; ?>">
                    <input type="hidden" name="o_cp_subj[]" value="<?php echo $row['cp_subject']; ?>">
                    <?php echo get_text($row['cp_subject']); ?>
                </td>
                <td class="td_numbig"><?php echo number_format($dc); ?></td>
                <td class="td_mngsmall"><button type="button" class="od_cp_apply btn_frmline">적용</button></td>
            </tr>
            <?php
            }
            ?>
            </tbody>
            </table>
        </div>
        <?php
        } else {
            echo '<p>사용할 수 있는 쿠폰이 없습니다.</p>';
        }
        ?>
        <div class="btn_confirm">
            <button type="button" id="od_coupon_close" class="btn_close"><i class="fa fa-times" aria-hidden="true"></i><span class="sound_only">닫기</span></button>
        </div>
    </div>
</div>
<!-- } 쿠폰 선택 끝 -->