忘记/重置密码代码点火器问题

我正在设置一个忘记的密码并重置表单。当我发送电子邮件时。我有两个问题一个是当单击链接时，URL中没有显示唯一代码。我遇到的另一个问题是Message: Undefined variable: message。

其他一切都很好，只是代码没有显示在URL和$message错误中。

为什么它没有在URL中提取我的$code。并且出现错误$message？

<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
class Forgotten extends MX_Controller {
private $error = array();
public function __construct() {
    parent::__construct();
    if ($this->user->hasPermissionAccess() == TRUE) {
        $this->lang->load('admin/english', 'english');
        $this->lang->load('admin/common/forgotten', 'english');
        $this->load->library('settings');
        $this->load->library('pagination');
        $this->load->library('request');
        $this->load->library('response');
        $this->load->library('document');   
    } else { 
        redirect('admin/error');
    }
}
public function index() {
    $this->document->setTitle($this->lang->line('heading_title'));
    if (($this->request->server['REQUEST_METHOD'] == 'POST') && $this->validate()) {
        $this->load->library('email');
        $config['protocol'] = 'smpt';
        $config['smpt_host'] = 'ssl://squid.arvixe.com';
        $config['smpt_port'] = '465';
        $config['smpt_user'] =  '********'; // Username Blanked Out For Security
        $config['smpt_password'] = '******'; // Password Blanked Out For Security
        $this->email->initialize($config);
        $this->email->from($config['smpt_user']);
        $this->email->to($this->request->post['email']);
        $subject = sprintf($this->lang->line('text_subject'), $this->settings->get('config_name'));
        $this->email->subject($subject);
        $code = sha1(uniqid(mt_rand(), true));
        $this->load->model('admin/user/users_model');
        $this->users_model->editCode($this->request->post['email'], $code);
        $message .= sprintf($this->lang->line('text_greeting'), $this->settings->get('config_name')) . "'n'n";
        $message .= $this->lang->line('text_change') . "'n'n";
        $code = sha1(uniqid(mt_rand(), true));
        $message .= site_url('admin/reset/', $code) . "'n'n";
        $message .= sprintf($this->lang->line('text_ip'), $this->request->server['REMOTE_ADDR']) . "'n'n";
        $this->email->message($message);
        $this->email->send();
        echo $this->email->print_debugger();
    }
    $data['breadcrumbs'] = array();
    $data['breadcrumbs'][] = array(
    'text' => '<i class="fa fa-home"></i>' .' '.  $this->lang->line('text_home'),
    'href' => site_url('common/dashboard')
    );
    $data['breadcrumbs'][] = array(
    'text' => $this->lang->line('heading_title'),
    'href' => site_url('common/forgotten')
    );
    if (isset($this->error['warning'])) {
        $data['error_warning'] = $this->error['warning'];
    } else {
        $data['error_warning'] = '';
    }
    $data['action'] = site_url('admin/forgotten');
    $data['cancel'] = site_url('admin');
    $data['heading_title'] = $this->lang->line('heading_title');
    $data['text_your_email'] = $this->lang->line('text_your_email');
    $data['text_email'] = $this->lang->line('text_email');
    $data['entry_email'] = $this->lang->line('entry_email');
    $data['button_reset'] = $this->lang->line('button_reset');
    $data['button_cancel'] = $this->lang->line('button_cancel');
    return $this->load->view('common/forgotten', $data);
}
public function validate() {
    $this->load->model('admin/user/users_model');
    if (!isset($this->request->post['email'])) {
        $this->error['warning'] = $this->lang->line('error_email');
    } elseif (!$this->users_model->getTotalUsersByEmail($this->request->post['email'])) {
        $this->error['warning'] = $this->lang->line('error_email');
    }
    return !$this->error;
}
}