Developer Preview of Version 3 of AWS SDK for PHP
Version 3 of the AWS SDK for PHP is now in Developer Preview and available on GitHub and Composer. Along with significant performance improvements, v3 brings a number of brand new features. Using the new version, you can now make asynchronous requests with Futures and Promises, query API responses with JMESPath, and bind default request parameters to service clients.
The new SDK also includes some important architectural improvements. you can provide your own HTTP adapter and take advantage of a more streamlined event system offered by the latest version of the Guzzle library.
The development team is happy to be able to share this preview and is looking forward to your feedback. You can send it to them via GitHub Issues.