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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

Code Snippets

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

Code Snippets

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

Code Snippets

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

Sanitize input vs escape output WordPress XSS prevention split layout

How To

How to Prevent XSS in WordPress: Sanitization and Escaping Functions Guide

Maps every WordPress esc_*, wp_kses_*, and sanitize_* function to its exact context, with the 'sanitize on input, escape on output' rule that eliminates XSS.

Varun Dubey · May 23, 2026 · 16 min read

WordPress hook priority execution order with add_action priorities

How To

WordPress Hook Priority Explained: How Action and Filter Execution Order Works

How WordPress hook priority numbers work, how to remove object method and closure callbacks, and runtime tools like doing_action(), did_action(), and $wp_filter inspection.

Varun Dubey · May 23, 2026 · 16 min read

WordPress SSL TLS 1.3 handshake timeline with OCSP stapling and HTTP/2

Performance

WordPress SSL/TLS Performance: OCSP Stapling, TLS 1.3, and HTTP/2 Setup

WordPress SSL/TLS performance guide covering OCSP stapling, TLS 1.3 cipher config, session resumption, HTTP/2 setup, FORCE_SSL_ADMIN, mixed content fixes, and Cloudflare Full Strict mode.

Varun Dubey · May 23, 2026 · 16 min read

PHP-FPM pm.max_children worker calculation formula for WordPress

How To

PHP-FPM Tuning for WordPress: How to Calculate Workers, Memory, and Timeouts

PHP-FPM tuning guide for WordPress: how to calculate pm.max_children from actual memory usage, set spare server counts, configure request timeouts, and monitor pool health.

Varun Dubey · May 23, 2026 · 16 min read

WordPress htaccess optimization config snippet with Gzip and browser caching

Performance

WordPress .htaccess Optimization: Gzip, Browser Caching, and Security Rules

WordPress .htaccess optimization covering Gzip compression with mod_deflate, browser caching via mod_expires, ETag removal, security rules, hotlink protection, and XML-RPC blocking.

Varun Dubey · May 23, 2026 · 16 min read

Nginx FastCGI cache hit and miss timing grid for WordPress

How To

Nginx FastCGI Cache for WordPress: Complete Setup and Purge Guide

Complete Nginx FastCGI cache setup for WordPress: cache zone config, logged-in user bypass, WooCommerce exclusions, purge on publish, and HIT/MISS header debugging.

Varun Dubey · May 23, 2026 · 16 min read

MySQL tuning my.cnf configuration snippet for WordPress innodb buffer pool

Database Optimization

MySQL Tuning for WordPress: innodb_buffer_pool_size and Key Settings

MySQL tuning guide for WordPress covering innodb_buffer_pool_size, max_connections, thread_cache_size, tmp_table_size, slow query log, and a complete my.cnf configuration.

Varun Dubey · May 23, 2026 · 16 min read

PHP OPcache configuration values for WordPress shown as memory bars

How To

PHP OPcache Settings for WordPress: Configuration Guide with Benchmarks

OPcache configuration guide for WordPress covering memory_consumption, max_accelerated_files, revalidate_freq, JIT settings, and how to verify hit rate on production.

Varun Dubey · May 23, 2026 · 16 min read

Category: WordPress

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)

How to Prevent XSS in WordPress: Sanitization and Escaping Functions Guide

WordPress Hook Priority Explained: How Action and Filter Execution Order Works

WordPress SSL/TLS Performance: OCSP Stapling, TLS 1.3, and HTTP/2 Setup

PHP-FPM Tuning for WordPress: How to Calculate Workers, Memory, and Timeouts

WordPress .htaccess Optimization: Gzip, Browser Caching, and Security Rules

Nginx FastCGI Cache for WordPress: Complete Setup and Purge Guide

MySQL Tuning for WordPress: innodb_buffer_pool_size and Key Settings

PHP OPcache Settings for WordPress: Configuration Guide with Benchmarks