We spend much of our time as developers managing the state in our applications. There are many different approaches and philosophies attributed to reading, mutating and storing state.

The Event Sourcing pattern is an approach to managing application state. If we think of any given state of our app as a frame in a video, Event Sourcing allows us to scrub through past states of the app. Today we discuss what Event Sourcing is and how we can start integrating it into our PHP apps.