我尝试在我的项目中使用google实现注册，但我遇到了从google接收令牌的问题。我可以重定向到google页面，在那里我需要提供电子邮件和密码，然后它重定向到提供的“重定向URI”。我也收到了代码，但我无法接收令牌。我尝试修复它，但无法找出为什么我会收到这个错误。错误生成于

$token = $google_client->fetchAccessTokenWithAuthCode($code);

这行代码。下面的和是完整的代码。

<?php
defined('BASEPATH') OR exit('No direct script access allowed');
class Google_login extends CI_Controller 
{

public function __construct() {
   parent::__construct();
   
   $this->load->database();
   $this->load->helper('url');
   $this->load->library('session');
}

public function index() 
{
    include_once(APPPATH."libraries/google-app/vendor/autoload.php");
    
    $google_client = new Google_Client();
    
    $google_client->setClientId('Your_Client_Id');
    $google_client->setClientSecret('Secret_Key');
    $google_client->setRedirectUri('Redirect_URI');
    
    $google_client->addScope("email");
    $google_client->addScope("profile");
    
    
    if(!empty($_GET['code']))
    {
        $code = $_GET['code'];
        //echo $code; die();
        $token = array();
        $token = $google_client->fetchAccessTokenWithAuthCode($code);
    
        if(!isset($token["error"])){
    
            $google_client->setAccessToken($token['access_token']);
    
            $google_oauth = new Google_Service_Oauth2($google_client);
            $google_account_info = $google_oauth->userinfo->get();
           
            $email = $google_account_info->email;
             
             if($email)
             {
             
                  $res = $this->db->query("select * from `user_master` where `email` = '".$email."'");
                  //echo $this->db->last_query(); exit;
                  $record = $res->row();
                  $numrows = $res->num_rows();
        
                  if($numrows!=0)
                  {

                      $this->session->set_userdata('id', $record->id);
                      $this->session->set_userdata('email', $record->email);
                      $this->session->set_userdata('geek', $record->geek_name);
                      $time=date("H:i:s");
                      $this->db->set('login_time',$time);
                      $this->db->set('logout_time',"");
                      $this->db->set('status',"online");
                      $this->db->where('id',$this->session->userdata('id'));
                      $this->db->update('user_master');
                       if($this->session->userdata('id')!="")
                        {
        
                            $query = $this->db->query("select * from `fixergeek_master` where `user_id` = '".$this->session->userdata('id')."'");
                            $numrow = $query->num_rows();
        
                            if($numrow!=0)
                            {
                              redirect('fixer');
                            }
                            else
                            {
                              redirect('asker');
                            }
        
                           // redirect('hostaccountoverview');
                        }
           
                  
                  }
                  
                  else
                  {
                    redirect('/', 'refresh');
                  }
                
             }
             
         }
       }  
      else {
    
         redirect($google_client->createAuthUrl());
         //echo "Test Good";
       }
 }
}
?>