編輯頁面 - 爲foreach提供的無效參數（）

Question

我想知道爲什麼我仍然出現此錯誤消息。遇到

甲PHP錯誤

嚴重性：警告

消息：的foreach（）

文件名提供參數無效：視圖/ editpages.php

行號：48

Backtrace：

文件：C：\程序文件（x86）\的EasyPHP-DevServer-14.1VC9 \數據\ localweb \ masterlinkci2 \應用\管理員\視圖\ editpages.php 行：48 功能：_error_handler

控制器/ Cpages。 PHP

public function editpagesupdate() { 

    $data['pagessuccess'] = ''; 

    $pages_id = $this->uri->segment(3); 

    $data['pages'] = $this->Mpages->update_pages($pages_id); 

    $this->load->view('editpages', $data); 

} 

型號/ Mpages.php

public function update_pages($pages_id) 
{ 

    $data = array(
     'pages_name' => $this->input->post('pages_name'), 
     'create_date' => $this->input->post('create_date'), 
     'pages_order' => $this->input->post('pages_order'), 
     'pages_content' => $this->input->post('pages_content') 
    ); 

    $this->db->where('pages_id', $pages_id); 
    $query = $this->db->update('pages', $data); 
    //return $query->result_array(); 
    return $query; 

} 

的意見/ editpages.php

   <div class="widget-box"> 
        <div class="widget-title"><h5>Pages</h5></div> 
        <div class="widget-content"> 

        <?php echo form_open('cpages/editpagesupdate'); ?> 
        <table border="0" style="width: 100%; height: 90px;"> 
         <tr> 
          <td>Pages Name</td> 
          <td><input type="text" name="pages_name" value="<?php echo $pages_item['pages_name']; ?>"></td> 
         </tr> 
         <tr> 
          <td>Create Date</td> 
          <td><input type="text" name="create_date" value="<?php echo $pages_item['create_date']; ?>"></td> 
         </tr> 
         <tr> 
          <td>Order</td> 
          <td><input type="text" name="pages_order" value="<?php echo $pages_item['pages_order']; ?>"></td> 
         </tr> 
         <tr> 
          <td>View Content</td> 
          <td><textarea rows="3" cols="20" name="pages_content"><?php echo $pages_item['pages_content']; ?></textarea></td> 
         </tr> 
         <tr> 
          <td></td> 
          <td><input type="submit" class="edit" name="submit" value="SUBMIT"></td> 
         </tr> 
        </table>    
        </div> 
       </div>  

       <?php endforeach; ?> 

個

Answer 1

控制器/ Cpages.php

public function editpagesupdate() { 
    $data['pagessuccess'] = ''; 
    $pages_id = $this->uri->segment(3); 
    $update = $this->Mpages->update_pages($pages_id); 
    $data = array(); 

    /* get updated pages here */ 
    if($update){ 
     $data['pages'] = $this->Mpages->get_pages(); 
    } 

    $this->load->view('editpages', $data); 
} 

型號/ Mpages.php

public function get_pages() 
{ 
    $query = $this->db->get('pages'); 
    return $query->result_array(); 
} 

的意見/ editpages.php

<div class="widget-box"> 
     <div class="widget-title"><h5>Pages</h5></div> 
     <div class="widget-content"> 
      <?php echo form_open('cpages/editpagesupdate'); ?> 
      <table border="0" style="width: 100%; height: 90px;"> 
       <?php foreach($pages as $pages_item) : ?> 
       <tr> 
        <td>Pages Name</td> 
        <td><input type="text" name="pages_name" value="<?php echo $pages_item['pages_name']; ?>"></td> 
       </tr> 
       <tr> 
        <td>Create Date</td> 
        <td><input type="text" name="create_date" value="<?php echo $pages_item['create_date']; ?>"></td> 
       </tr> 
       <tr> 
        <td>Order</td> 
        <td><input type="text" name="pages_order" value="<?php echo $pages_item['pages_order']; ?>"></td> 
       </tr> 
       <tr> 
        <td>View Content</td> 
        <td><textarea rows="3" cols="20" name="pages_content"><?php echo $pages_item['pages_content']; ?></textarea></td> 
       </tr> 
       <?php endforeach; ?> 
       <tr> 
        <td></td> 
        <td><input type="submit" class="edit" name="submit" value="SUBMIT"></td> 
       </tr> 
      </table>    
     </div> 
    </div>