I m从形式_dropdown——基本上,在我经过验证后重新上下页时,这些数值被rew升。

这比数导致3个日、月和年下降:

$days = array(0 =>  Day... );
        for ($i = 1; $i <= 31; $i++)
        {
            $days[] = $i;
        }
        $months = array(0 =>  Month... , );
        for ($i = 1; $i <= 12; $i++)
        {
            $months[] = $i;
        }
        $years = array(0 =>  Year... );
        for ($i = 2010; $i <= 2012; $i++)
        {
            $years[$i] = $i; 
            echo "<pre>"; print_r($years); echo "</pre>";//remove this
        }

        $selected_day = (isset($selected_day)) ? $selected_day : 0;
        $selected_month = (isset($selected_month)) ? $selected_month : 0;
        $selected_year = (isset($selected_year)) ? $selected_year : 0;
        echo "<p>";
            echo form_label( Select date: ,  day , array( class  =>  left ));
            echo form_dropdown( day , $days, $selected_day,  class="combosmall" ); 
            echo form_dropdown( month , $months, $selected_month,  class="combosmall" ); 
            echo form_dropdown( year , $years, $selected_year,  class="combosmall" ); 
        echo "</p>";

......并促成:

    <p><label for="day" class="left">Select date:</label><select name="day" class="combosmall"> 
<option value="0" selected="selected">Day...</option> 
<option value="1">1</option> 
<option value="2">2</option> 
<option value="3">3</option> 
<option value="4">4</option> 
<option value="5">5</option> 
<option value="6">6</option> 
<option value="7">7</option> 
<option value="8">8</option> 
<option value="9">9</option> 
<option value="10">10</option> 
<option value="11">11</option> 
<option value="12">12</option> 
<option value="13">13</option> 
<option value="14">14</option> 
<option value="15">15</option> 
<option value="16">16</option> 
<option value="17">17</option> 
<option value="18">18</option> 
<option value="19">19</option> 
<option value="20">20</option> 
<option value="21">21</option> 
<option value="22">22</option> 
<option value="23">23</option> 
<option value="24">24</option> 
<option value="25">25</option> 
<option value="26">26</option> 
<option value="27">27</option> 
<option value="28">28</option> 
<option value="29">29</option> 
<option value="30">30</option> 
<option value="31">31</option> 
</select><select name="month" class="combosmall"> 
<option value="0" selected="selected">Month...</option> 
<option value="1">1</option> 
<option value="2">2</option> 
<option value="3">3</option> 
<option value="4">4</option> 
<option value="5">5</option> 
<option value="6">6</option> 
<option value="7">7</option> 
<option value="8">8</option> 
<option value="9">9</option> 
<option value="10">10</option> 
<option value="11">11</option> 
<option value="12">12</option> 
</select><select name="year" class="combosmall"> 
<option value="0" selected="selected">Year...</option> 
<option value="2010">2010</option> 
<option value="2011">2011</option> 
<option value="2012">2012</option> 
</select></p>

然而,当表格在验证后重新载荷时,上述相同的代码会产生以下结果:

<!-- days and months... -->
<select name="year" class="combosmall"> 
<option value="0" selected="selected">Year...</option> 
<option value="1">2010</option> 
<option value="2">2011</option> 
<option value="3">2012</option> 
</select>

因此,基本价值从2010年的1起开始。 几天和几个月的情况也是如此,但显然,这并没有改变这一具体情况,因为价值观从一线开始。

我如何确定这一点——为什么发生?

编辑:审定规则是:

$this->load->library( form_validation );
//...rules for other fields..
$this->form_validation->set_rules( day ,  day ,  required|xss_clean );
$this->form_validation->set_rules( month ,  month ,  required|xss_clean );
$this->form_validation->set_rules( year ,  year ,  required|xss_clean );        
$this->form_validation->set_error_delimiters( <p class="error"> ,  </p> );
//define other errors
if($this->input->post( day ) == 0 || $this->input->post( month ) == 0 || $this->input->post( year ) == 0) 
    {
        $data[ error ] = "Please check the date of your event.";
    }