CI 4 login with google. $client = new Google_Client();

i have install google api using compose 

composer require google/apiclient:"^2.0"

then its install google api lib in 

vendor/google

to user the lib just load like this

$client = new \Google_Client();

$client->setClientId(''); //Define your ClientID

$client->setClientSecret(''); //Define your Client Secret Key
$client->setRedirectUri(''); //Define your Redirect Uri
$client->addScope('email');
$client->addScope('profile');

ok i find how tu use after install with compose
 $client = new Google_Client();
 $client = new Google_Client();
 $client = new Google_Client();[i] $cl[i] $client = new Google_Client();ient = new Google_Client();[/i][/i]

i have install google api using compose 

composer require google/apiclient:"^2.0"

then its install google api lib in 

vendor/google

to user the lib just load like this

$client = new \Google_Client();

$client->setClientId(''); //Define your ClientID

$client->setClientSecret(''); //Define your Client Secret Key
$client->setRedirectUri(''); //Define your Redirect Uri
$client->addScope('email');
$client->addScope('profile');

ok i find how tu use after install with compose
 $client = new Google_Client();
 $client = new Google_Client();
 $client = new Google_Client();[i] $cl[i] $client = new Google_Client();ient = new Google_Client();[/i][/i]

PHP Code:

<?php

namespace App\Controllers;

use App\Controllers\BaseController;
use Google\Client as Google_Client;
use Google_Service_Oauth2;