求教，关于php函数以及初级的有关问题

<td>本项目最近10条投资记录</td><br>                <br>              <br>          <br>          <tr>
<br>            <td><table>
<br>                <tr>
<br>                  <td><table>
<br>                      <thead>
<br>                        <tr>
<br>                          <td>　认购人<br>                            <br>                          </td>
<td>认购份数<br>                            <br>                          </td>
<td>认购金额<br>                            <br>                          </td>
<td>当前利率<br>                            <br>                          </td>
<td>认购期限<br>                            <br>                          </td>
<td>认购方式<br>                            <br>                          </td>
<td>状态<br>                            <br>                        </td>
</tr>
<br>                      </thead>
<br>                      <volist><br>                        <tr>
<br>                          <td>　{$vi.user_name|hidecard=###,4}</td>
<br>                          <td>{$vi.transfer_num}份</td>
<br>                          <td>{$vi.investor_capital|Fmoney=###}元</td>
<br>                          <td>{$vo.borrow_interest_rate}%/年</td>
<div class="clear"></div>
</tr></volist>
</table></td>
</tr>
</table></td>
</tr>