Nitish Vashistha

Walks through the WordPress bootstrap sequence (load config, plugins, theme, main query), identifies performance costs (plugin loading, autoloaded options, DB round trips), and recommends caching and audits to reduce overhead.

Explains WordPress Multisite architecture: what is shared across a network (core, plugins, themes, users) versus what is isolated per site (content, uploads, site-specific tables), and how switch_to_blog() works.

Demonstrates WordPress functions for managing roles and capabilities (add_role, remove_role, add_cap, remove_cap, get_role) with code examples showing how to add or remove capabilities for author roles.

Explains React 16 error boundaries: what they are, limitations, how to implement a class-based ErrorBoundary component, and how to use it to prevent a component error from breaking the whole UI.

Introduces the PHP-ML library for machine learning in PHP, lists supported algorithms and features, installation steps, and a simple k-nearest neighbors classification example.