This PHP sample code demonstrates using various pieces of the Clarify helper library. This includes; delete metadata from one of your bundles, retrieve the metadata for a recent bundle, load all the information for a single track from a bundle and more. Clarify allows you to extract knowledge from audio and video content. The API calls use the standard HTTP methods GET, POST, PUT and DELETE to perform operations on resources. It handles authentication, the HTTP aspects, and wraps commonly needed functionality in language-specific constructs, with responses that are in the hypermedia JSON format HAL. Clarify.io is an Audio and Video API service company that allows software developers to extract information from their audio and video recordings.