Introduction This tutorial explains, in exhaustive detail, how to add a meta box to the WordPress post edit screen, display meta fields inside it, protect the form with a nonce, and securely save the meta fields when the post is saved. It covers best practices, sanitization, capability checks, autosave and revision handling, examples for multiple […]
Overview This article is a complete, detailed tutorial on how to register a hierarchical custom taxonomy in PHP for WordPress. It explains concepts, arguments and options, shows multiple real-world code examples (plugin and theme), demonstrates admin and front-end usage, and covers related topics such as rewrite rules, REST/Gutenberg support, capabilities, term meta and programmatic term […]
Introduction This article is a complete, practical, and detailed tutorial on how to register a Custom Post Type (CPT) in WordPress with editor support using PHP. It covers everything you need to know: arguments and their meaning, enabling the classic and block editors (Gutenberg), block templates, permissions and capabilities, rewrite rules and archives, registering REST […]
Introduction This article explains, in exhaustive detail, how to build secure, robust WordPress shortcodes that accept attributes. It covers attribute parsing, validation, sanitization, escaping for output, handling HTML in attributes and content, avoiding common security pitfalls (XSS, unsafe database usage, leaking unescaped data to JavaScript), performance considerations (caching), namespacing and registration, and examples for procedural […]
Introduction: What is the main query and why pre_get_posts The WordPress main query is the WP_Query instance that WordPress constructs automatically to determine which posts (or custom post types) are displayed on the current request — for example the blog index, category archives, date archives, author archives, search results, single post pages, and custom post […]
Introduction This tutorial explains in detail how to use actions and filters (collectively hooks) in WordPress with practical PHP examples. It covers fundamentals, the difference between actions and filters, how to register and remove hooks, priorities and accepted arguments, object-oriented usage, closures, common real-world examples (enqueueing assets, modifying queries, REST routes, shortcodes), best practices, performance […]
Introduction This article is a complete, detailed tutorial on creating a basic WordPress plugin that includes a proper plugin header and activation logic in PHP. Youll learn the required plugin header format, how to register activation and deactivation callbacks, how to create database tables safely on activation, how to clean up on uninstall, important security […]
Introduction — What is a WordPress child theme and why use one? A child theme is a WordPress theme that inherits functionality, features and styling from another theme called the parent theme. Creating a child theme lets you safely customize and extend a parent theme without modifying the parent themes files directly. When the parent […]
Introduction In modern software systems, failures are inevitable. Whether caused by hardware faults, network interruptions, or application bugs, these failures can undermine reliability, performance, and user trust. Error logs—chronological records of events that deviate from expected behavior—are a cornerstone of any robust monitoring and troubleshooting strategy. This article explores how to leverage error logs effectively […]
