Quick Answer
Domain events capture what happened in the domain (OrderPlaced, PaymentProcessed). Event sourcing stores all events as the system of record instead of current state. Replay events to rebuild state. In PHP: create event classes, an event dispatcher, and event handlers. Store events in an event store. Use Prooph or Broadway libraries. Gives complete audit trail and ability to reconstruct past states.
Answer
Record state changes as immutable events, store them in an event store, process projections to build read models, and use event buses for propagation. Replay events to rebuild aggregates.
S
SugharaIQ Editorial Team
Verified Answer
This answer has been peer-reviewed by industry experts holding senior engineering roles to ensure technical accuracy and relevance for modern interview standards.
PHP interview questions and answers for beginner, junior, mid-level, senior, and expert developers. Ideal for freshers and experienced candidates preparing for PHP roles.