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$WordPress dynamic hooks code example showing save_post_{$post_type} pattern with dark developer theme$

WordPress Dynamic Hooks: The Complete save_post_{type} Guide

Learn how WordPress dynamic hooks like save_post_{$post_type}, manage_{$screen->id}_columns, and theme_mod_{$name} work, with code examples and gotchas.

Varun Dubey · June 4, 2026 · 16 min read

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WordPress Shutdown Hook: How to Run Code After Page Output Is Complete

How the WordPress shutdown action fires, how it differs from register_shutdown_function, and practical patterns for deferred logging, post-response API calls, fastcgi_finish_request, and fatal error capture.

Varun Dubey · June 4, 2026 · 16 min read

WordPress must-use plugins: code card showing mu-plugin loader pattern and security headers on dark background

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WordPress Must-Use Plugins: The Complete mu-plugins Guide

Must-use plugins load before regular plugins, cannot be deactivated from the admin, and are the correct container for security headers, environment config, and maintenance mode.

Varun Dubey · June 4, 2026 · 16 min read

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12 WordPress Filters That Replace Plugins (Code Snippets You Can Use Today)

Twelve WordPress filters that eliminate plugin dependencies entirely. Covers the_content, wp_mail, login_redirect, upload_mimes, pre_get_posts, posts_clauses, cron_schedules, body_class, the_title, excerpt_length, allowed_redirect_hosts, and wp_nav_menu_items -- each with real-world use cases and a companion Gist.

Varun Dubey · May 26, 2026 · 16 min read

WordPress wp-config.php environment configuration for dev, staging, and production showing server, settings, and file-code icons on dark navy background

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WordPress Environment Config: How to Set Up Dev/Staging/Production wp-config.php

Learn how to configure separate WordPress environments for dev, staging, and production using conditional constants, WP_ENVIRONMENT_TYPE, wp-config-local.php pattern, and .env file integration.

Varun Dubey · April 20, 2026 · 16 min read

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WordPress Multisite wp-config.php: Network Constants

A complete reference to every WordPress multisite wp-config.php constant: WP_ALLOW_MULTISITE, MULTISITE, SUBDOMAIN_INSTALL, DOMAIN_CURRENT_SITE, PATH_CURRENT_SITE, SITE_ID_CURRENT_SITE, BLOG_ID_CURRENT_SITE, NOBLOGREDIRECT, SUNRISE, COOKIE_DOMAIN, SITECOOKIEPATH, COOKIEHASH, and network tweaks that separate a working network from a production-grade one.

Varun Dubey · April 17, 2026 · 16 min read

Category: Code Snippets

WordPress Dynamic Hooks: The Complete save_post_{type} Guide

WordPress Shutdown Hook: How to Run Code After Page Output Is Complete

WordPress Must-Use Plugins: The Complete mu-plugins Guide

12 WordPress Filters That Replace Plugins (Code Snippets You Can Use Today)

WordPress Environment Config: How to Set Up Dev/Staging/Production wp-config.php

WordPress Multisite wp-config.php: Network Constants