Edit file File name : HttpHandlerFactory.php Content :<?php /** * Copyright 2015 Google Inc. All Rights Reserved. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ namespace WPMailSMTP\Vendor\Google\Auth\HttpHandler; use WPMailSMTP\Vendor\GuzzleHttp\BodySummarizer; use WPMailSMTP\Vendor\GuzzleHttp\Client; use WPMailSMTP\Vendor\GuzzleHttp\ClientInterface; use WPMailSMTP\Vendor\GuzzleHttp\HandlerStack; use WPMailSMTP\Vendor\GuzzleHttp\Middleware; class HttpHandlerFactory { /** * Builds out a default http handler for the installed version of guzzle. * * @param ClientInterface $client * @return Guzzle5HttpHandler|Guzzle6HttpHandler|Guzzle7HttpHandler * @throws \Exception */ public static function build(\WPMailSMTP\Vendor\GuzzleHttp\ClientInterface $client = null) { if (\is_null($client)) { $stack = null; if (\class_exists(\WPMailSMTP\Vendor\GuzzleHttp\BodySummarizer::class)) { // double the # of characters before truncation by default $bodySummarizer = new \WPMailSMTP\Vendor\GuzzleHttp\BodySummarizer(240); $stack = \WPMailSMTP\Vendor\GuzzleHttp\HandlerStack::create(); $stack->remove('http_errors'); $stack->unshift(\WPMailSMTP\Vendor\GuzzleHttp\Middleware::httpErrors($bodySummarizer), 'http_errors'); } $client = new \WPMailSMTP\Vendor\GuzzleHttp\Client(['handler' => $stack]); } $version = null; if (\defined('WPMailSMTP\\Vendor\\GuzzleHttp\\ClientInterface::MAJOR_VERSION')) { $version = \WPMailSMTP\Vendor\GuzzleHttp\ClientInterface::MAJOR_VERSION; } elseif (\defined('WPMailSMTP\\Vendor\\GuzzleHttp\\ClientInterface::VERSION')) { $version = (int) \substr(\WPMailSMTP\Vendor\GuzzleHttp\ClientInterface::VERSION, 0, 1); } switch ($version) { case 5: return new \WPMailSMTP\Vendor\Google\Auth\HttpHandler\Guzzle5HttpHandler($client); case 6: return new \WPMailSMTP\Vendor\Google\Auth\HttpHandler\Guzzle6HttpHandler($client); case 7: return new \WPMailSMTP\Vendor\Google\Auth\HttpHandler\Guzzle7HttpHandler($client); default: throw new \Exception('Version not supported'); } } } Save