Adding modifications from kritbit

system/vendor/phpoauthlib2/example.php

@@ -0,0 +1,24 @@
+<?php
+
+use \phpoauthlib2\providers\GoogleAuthProvider;
+use \phpoauthlib2\OAuth;
+
+require 'OAuth.php';
+require 'providers/GoogleAuthProvider.php';
+
+$authProvider = new GoogleAuthProvider($_GET, [
+    "client_id" => "apps.googleusercontent.com",
+    "client_secret" => "<KEY>",
+    "redirect_uri" => "http://example.com/phpoauthlib2/example.php"
+]);
+
+$oauth = new OAuth($authProvider, $_GET);
+
+$check = $oauth->check();
+
+if ($check === true) {
+    echo "Hello - " . $authProvider->getFirstName();
+    echo "<br>Your email is - " . $authProvider->getEmail();
+} else {
+    header("Location: " . $check);
+}