The Sameday Courier SDK for PHP is a library with powerful features that enable PHP developers to easily make requests to the Sameday Courier API. The SDK for PHP has many extensibility points giving PHP developers full control of how the SDK for PHP interacts with their specific hosting environment and web framework.
For installation & implementation instructions, look through the Getting Started with the Sameday Courier SDK for PHP guide, and then check out some of the examples below.
For a full list of classes, see the API reference page.