setAccessKey("your ak"); $client->setSecretKey("your sk"); $body = [ "SmsAccount" => "smsAccount", "Sign" => "your sign", "TemplateID" => "ST_xxx", "PhoneNumber" => "188xxxxxxx", "Scene" => "myscene", "ExpireTime" => 1800, "TryCount" => 3, "CodeType" => 6, "Tag" => "tag", ]; $response = $client->sendSmsVerifyCode(['json' => $body]); echo $response;