require_once(dirname(__FILE__) . '/vendor/autoload.php'); use GuzzleHttp\Client; $client = new Client(); //$client = new \GuzzleHttp\Client(['cookies' => true]); //クッキーを利用したい場合 //$client = new \GuzzleHttp\Client(['debug' => true]); //通信内容をデバッグしたい場合 $promises[] = $client->requestAsync('GET', 'https://sample.com/1.html'); $promises[] = $client->requestAsync('GET', 'https://sample.com/2.html'); $prom