Advanced WordPress development with REST API endpoints, WP-CLI commands, performance optimization, and caching strategies for scalable applications.

Advanced WordPress Architecture Master advanced WordPress development patterns including REST API endpoints, WP CLI commands, performance optimization, and caching strategies for scalable WordPress applications. 1. REST API Development The WordPress REST API provides a powerful interface for creating custom endpoints with proper authentication, validation, and response formatting. Endpoint Registration with Namespacing Complete CRUD Implementation Controller Pattern for Complex Endpoints For complex REST endpoints, use a controller class to organize logic: REST API Authentication 2. WP CLI Commands WP CLI enables automation of WordPress tasks through custom commands. Custom Command Registration Interactive Prompts and Confirmation Testing WP CLI Commands 3. Performance Optimization Transients API (Expiring Cache) Object Caching (Redis, Memcached) Redis Configuration (object cache.php) Database Query Optimization Lazy Loading and Pagination Profiling with Query Monitor 4. Caching Strategies Fragment Caching Page Caching vs Object Caching Cache Invalidation Patterns CDN Integration 5. Advanced Database Patterns WP Query Optimization Direct SQL for Complex Queries Database Indexing 6. Multisite Development Network Activated Plugins Cross Site Operations 7. Best Practices Service Oriented Architecture Event Driven Design Scalability Considerations Related Skills When building advanced WordPress applications, consider these complementary skills (available in the skill library): WordPress Plugin Fundamentals : Core plugin architecture and hooks essential foundation for custom REST endpoints and WP CLI commands WordPress Security & Data Validation : Security best practices critical for securing REST API endpoints and validating user input WordPress Testing & QA : Testing REST endpoints and WP CLI comprehensive testing strategies for advanced WordPress features GraphQL : Alternative to REST API consider GraphQL as a modern alternative to WordPress REST API for complex data queries Docker : Development environment setup containerize WordPress development for consistent and reproducible environments References [REST API Handbook](https://developer.wordpress.org/rest api/) Official REST API documentation [WP CLI](https://wp cli.org/) Command line interface for WordPress [Object Cache](https://developer.wordpress.org/reference/classes/wp object cache/) WordPress object caching [Transients API](https://developer.wordpress.org/apis/transients/) WordPress transients documentation [Query Monitor](https://querymonitor.com/) Performance profiling plugin [Redis Object Cache](https://wordpress.org/plugins/redis cache/) Redis integration plugin

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