Select a topic below to drill into specific interview questions. Each section includes theory, code samples, and common "gotchas" for high-scale WordPress environments.
1. PHP & Modern WP
PHP 8+, OOP, Namespaces, and Bedrock structure.
2. Core Architecture
Hooks, Database Schema, and Request Lifecycle.
3. Gutenberg & React
Block API, Dynamic Blocks, and React integration.
4. Timber & Twig
MVC patterns, Templating, and Separation of Concerns.
5. Performance & Scaling
Redis, Object Cache, Database Optimization, and CDNs.
6. Headless WordPress
REST API, GraphQL, and Decoupled Architectures.
7. Enterprise Security
Sanitization, Nonces, Roles/Caps, and Hardening.
8. DevOps & Deployment
AWS Fargate, Docker, CI/CD, and Composer.
9. WooCommerce at Scale
Custom Checkout, Order Meta, and High-Traffic Stores.
10. Migration & Legacy
Refactoring Spaghetti Code and Data Migration.