회원가입 시, 우편번호 누락

<?php if ($config['cf_use_addr']) { ?>

                    <li>

                        <label>주소</label>

                        <?php if ($config['cf_req_addr']) { ?> (필수)<?php }  ?>

                        <label for="reg_mb_zip" class="sound_only">우편번호<?php echo $config['cf_req_addr']?' (필수)':''; ?></label>

                        <input type="text" name="mb_zip" value="<?php echo $member['mb_zip1'].$member['mb_zip2']; ?>" id="reg_mb_zip" <?php echo $config['cf_req_addr']?"required":""; ?> class="frm_input twopart_input <?php echo $config['cf_req_addr']?"required":""; ?>" size="5" maxlength="6"  placeholder="우편번호">

                        <button type="button" class="btn_frmline" onclick="win_zip('fregisterform', 'mb_zip', 'mb_addr1', 'mb_addr2', 'mb_addr3', 'mb_addr_jibeon');">주소 검색</button><br>

                        <input type="text" name="mb_addr1" value="<?php echo get_text($member['mb_addr1']) ?>" id="reg_mb_addr1" <?php echo $config['cf_req_addr']?"required":""; ?> class="frm_input frm_address full_input <?php echo $config['cf_req_addr']?"required":""; ?>" size="50"  placeholder="기본주소">

                        <label for="reg_mb_addr1" class="sound_only">기본주소<?php echo $config['cf_req_addr']?' (필수)':''; ?></label><br>

                        <input type="text" name="mb_addr2" value="<?php echo get_text($member['mb_addr2']) ?>" id="reg_mb_addr2" class="frm_input frm_address full_input" size="50" placeholder="상세주소">

                        <label for="reg_mb_addr2" class="sound_only">상세주소</label>

                        <br>

                        <input type="text" name="mb_addr3" value="<?php echo get_text($member['mb_addr3']) ?>" id="reg_mb_addr3" class="frm_input frm_address full_input" size="50" readonly="readonly" placeholder="참고항목">

                        <label for="reg_mb_addr3" class="sound_only">참고항목</label>

                        <input type="hidden" name="mb_addr_jibeon" value="<?php echo get_text($member['mb_addr_jibeon']); ?>">

                        <?php

                        if ((isset($_SERVER['HTTPS']) && $_SERVER['HTTPS']=='on') ||

                            (isset($_SERVER['HTTP_X_FORWARDED_PROTO']) && $_SERVER['HTTP_X_FORWARDED_PROTO']==='https')) {   //https 통신일때 daum 주소 js

                            echo('<script src="https://t1.daumcdn.net/mapjsapi/bundle/postcode/prod/postcode.v2.js"></script>');

                        } else {  //http 통신일때 daum 주소 js

                            echo('<script src="http://dmaps.daum.net/map_js_init/postcode.v2.js"></script>');

                        }

                        ?>

                    </li>

                    <?php }  ?>