회원가입에 대한 config 값을 제어하는곳이 있나요?

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

<?php if ($config['cf_use_signature']) {  ?>        <tr>            <th scope="row"><label for="reg_mb_signature">서명<?php if ($config['cf_req_signature']){ ?><strong class="sound_only">필수</strong><?php } ?></label></th>            <td><textarea name="mb_signature" id="reg_mb_signature" <?php echo $config['cf_req_signature']?"required":""; ?> class="<?php echo $config['cf_req_signature']?"required":""; ?>"><?php echo $member['mb_signature'] ?></textarea></td>        </tr>        <?php }  ?>         <?php if ($config['cf_use_profile']) {  ?>        <tr>            <th scope="row"><label for="reg_mb_profile">자기소개</label></th>            <td><textarea name="mb_profile" id="reg_mb_profile" <?php echo $config['cf_req_profile']?"required":""; ?> class="<?php echo $config['cf_req_profile']?"required":""; ?>"><?php echo $member['mb_profile'] ?></textarea></td>        </tr>	        <?php }  ?>         <?php if ($config['cf_use_member_icon'] && $member['mb_level'] >= $config['cf_icon_level']) {  ?>        <tr>            <th scope="row"><label for="reg_mb_icon">회원아이콘</label></th>            <td>                <span class="frm_info">                    이미지 크기는 가로 <?php echo $config['cf_member_icon_width'] ?>픽셀, 세로 <?php echo $config['cf_member_icon_height'] ?>픽셀 이하로 해주세요.<br>                    gif만 가능하며 용량 <?php echo number_format($config['cf_member_icon_size']) ?>바이트 이하만 등록됩니다.                </span>                <input type="file" name="mb_icon" id="reg_mb_icon" class="frm_input">                <?php if ($w == 'u' && file_exists($mb_icon_path)) {  ?>                <img src="<?php echo $mb_icon_url ?>" alt="회원아이콘">                <input type="checkbox" name="del_mb_icon" value="1" id="del_mb_icon">                <label for="del_mb_icon">삭제</label>                <?php }  ?>            </td>        </tr>        <?php }  ?>