The purpose of this PSR is to provide a set of common interfaces for HTTP messages as described in RFC 7230 and RFC 7231
This repository holds all interfaces/classes/traits related to
PSR-7.
Note that this is not a HTTP message implementation of its own. It is merely an
interface that describes a HTTP message. See the specification for more details.
Before reading the usage guide we recommend reading the PSR-7 interfaces method list: