This topic describes how to install STS SDK for PHP and provides an example about how to use the SDK for PHP.

Background information

  • Alibaba Cloud provides OpenAPI Developer Portal to simplify API usage. You can use OpenAPI Explorer to debug API operations and dynamically generate SDK sample code.
  • For information about STS API operations, see What is STS?.
  • For information about endpoints to access STS, see Endpoints.

Install the SDK for PHP

For information about how to install the SDK for PHP, see Quick start.

You can download the installation packages of the SDK for PHP from the following links:


The following code provides an example on how to call the AssumeRole API operation by using the SDK for PHP. For information about other API operations, visit OpenAPI Developer Portal, debug API operations, and obtain sample code.

<? php
use AlibabaCloud\Client\AlibabaCloud;
use AlibabaCloud\Client\Exception\ClientException;
use AlibabaCloud\Client\Exception\ServerException;

// Construct an Alibaba Cloud client that is used to initiate requests.
// When you construct the client, specify the AccessKey ID and AccessKey secret.
AlibabaCloud::accessKeyClient('<accessKeyId>', '<accessSecret>')
// Configure parameters and initiate a request.
try {
    $result = AlibabaCloud::rpc()
                          // ->scheme('https') // https | http
                                        'query' => [
                                          'RegionId' => "cn-hangzhou",
                                          'RoleArn' => "<RoleArn>",
                                          'RoleSessionName' => "<RoleSessionName>",
} catch (ClientException $e) {
    echo $e->getErrorMessage() . PHP_EOL;
} catch (ServerException $e) {
    echo $e->getErrorMessage() . PHP_EOL;