應該隱藏表單驗證時的錯誤消息

Question

我有關於使用codeigniter進行表單驗證的問題。在用戶按下「提交」按鈕後，他們得到了預期的錯誤消息，但我也收到了錯誤消息（如下）。顯示錯誤消息的值是隱藏的。我不認爲這是罪魁禍首，因爲我嘗試了沒有隱藏值的語法，但它不起作用。我究竟做錯了什麼？感謝大家。

錯誤消息

A PHP Error was encountered 
Severity: Notice 
Message: Undefined variable: id 
Filename: views/view_information.php 
Line Number: 46 
A PHP Error was encountered 
Severity: Notice 
Message: Undefined variable: year 
Filename: views/view_information.php 
Line Number: 48 
A PHP Error was encountered 
Severity: Notice 
Message: Undefined variable: make 
Filename: views/view_information.php 
Line Number: 49 
A PHP Error was encountered 
Severity: Notice 
Message: Undefined variable: model 
Filename: views/view_information.php 
Line Number: 50 

我查看

<style type="text/css" media="screen"> 
    label{display: block} 
</style> 

<?php 
    echo (isset($error)) ? $error : ""; 
    if(isset($carprices) && !is_null($carprices)) 
    { 
     echo "Car# " . $carprices[0]->id . "<br />"; 
     foreach ($carprices as $prices) 
     { 
      echo 'ID Of Vehicle: '.$prices->id.'<br>'; 
      echo 'Year: '.$prices->year.'<br>'; 
      echo 'Make: '.$prices->make.'<br>'; 
      echo 'Model: '.$prices->model.'<br>'; 
      echo '<hr>'; 

      $id = $prices->id; 
      $year = $prices->year; 
      $make = $prices->make; 
      $model = $prices->model; 
      echo "$id".'<br>'; 
     } 
    } 

    /* 
     foreach($updateprices as $row){ 
      $id = $row->id; 
      $year = $row->year; 
      $make = $row->make; 
      $model = $row->model; 
     } 
    */ 

    echo form_open('site/form_validate_cars'); 
    echo validation_errors(); 

    $data = array(
     'cardescription_id' => "$id", 
     'caruser_id' => "5", // hard-coded in 
     'year' => "$year", 
     'make' => "$make", 
     'model' => "$model" 
    ); 

    echo form_hidden($data); 

    echo form_label('Value:','value'); 

    $data = array(
     'name' => 'value', 
     'id' => 'value', 
     'value' => set_value('value') 
    ); 

    echo form_input($data); 

    // ----------------- 

    echo form_label('Exterior Color:','exterior_color'); 

    $data = array(
     'name' => 'exterior_color', 
     'id' => 'exterior_color', 
     'value' => set_value('exterior_color') 
    ); 

    echo form_input($data); 

    // ----------------- 

    echo form_label('Interior Color', 'interior_color'); 

    $data = array(
     'name' => 'interior_color', 
     'id' => 'interior_color', 
     'value' => set_value('interior_color') 
    ); 

    echo form_input($data); 

    // ----------------- 

    echo form_label('Mileage:','mileage'); 

    $data = array(
     'name' => 'mileage', 
     'id' => 'mileage', 
     'value' => set_value('mileage') 
    ); 

    echo form_input($data); 

    // ----------------- 
    // removed echo-only <tr>s on fuel type, state and transmission 
    // ----------------- 

    echo form_label('State:','state'); 

    $data = array(
     'Texas' => 'Texas', 
     'California' => 'California', 
     'Florida' => 'Florida', 
     'Nevada' => 'Nevada' 
    ); 

    echo form_dropdown('State',$data,'California'); 
    echo '<br>'; 
    echo form_submit('SubmitDealerInfo','Submit!'); 
    echo form_close(); 
?> 

Answer 1

它不應該是這樣嗎？

foreach ($carprices as $prices) 
    { 
     echo 'ID Of Vehicle: '.$prices['id'].'<br>'; 
     echo 'Year: '.$prices['year'].'<br>'; 
     echo 'Make: '.$prices['make'].'<br>'; 
     echo 'Model: '.$prices['model'].'<br>'; 
     echo '<hr>'; 

     $id = $prices['id']; 
     $year = $prices['year']; 
     $make = $prices['make']; 
     $model = $prices['model']; 
     echo "$id".'<br>'; 
    } 

Answer 2

的問題不是笨驗證該問題是否與你的代碼 1 - 檢查你通過所有變量來查看時，您的驗證假 2，檢查你輸入的名字是一樣的驗證名。