Edit file File name : CurlHandler.php Content :<?php namespace WPMailSMTP\Vendor\GuzzleHttp\Handler; use WPMailSMTP\Vendor\GuzzleHttp\Promise\PromiseInterface; use WPMailSMTP\Vendor\Psr\Http\Message\RequestInterface; /** * HTTP handler that uses cURL easy handles as a transport layer. * * When using the CurlHandler, custom curl options can be specified as an * associative array of curl option constants mapping to values in the * **curl** key of the "client" key of the request. * * @final */ class CurlHandler { /** * @var CurlFactoryInterface */ private $factory; /** * Accepts an associative array of options: * * - handle_factory: Optional curl factory used to create cURL handles. * * @param array{handle_factory?: ?CurlFactoryInterface} $options Array of options to use with the handler */ public function __construct(array $options = []) { $this->factory = $options['handle_factory'] ?? new \WPMailSMTP\Vendor\GuzzleHttp\Handler\CurlFactory(3); } public function __invoke(\WPMailSMTP\Vendor\Psr\Http\Message\RequestInterface $request, array $options) : \WPMailSMTP\Vendor\GuzzleHttp\Promise\PromiseInterface { if (isset($options['delay'])) { \usleep($options['delay'] * 1000); } $easy = $this->factory->create($request, $options); \curl_exec($easy->handle); $easy->errno = \curl_errno($easy->handle); return \WPMailSMTP\Vendor\GuzzleHttp\Handler\CurlFactory::finish($this, $easy, $this->factory); } } Save