Memento design pattern in PHP to capture the state of an object without violating encapsulation, so that if required then it
can be returned to its previous state.
Output
The state value is : 1
The state value is : 0
Going to previous state
The state value is : 1
Suresh Kumar Srivastava is founder of online learning site coursegalaxy.com and author of popular books C In Depth,
Data Structures Through C In Depth. He has 18+ years experience in industry and worked on architecture and design of
multiple products. This article Memento Design Pattern In PHP is from his Design Patterns course.