For WordPress Developers
Gutenberg Custom Development Solutions
Practical architecture for commercial WordPress projects — through open-source plugins, custom blocks, FSE themes, and production Gutenberg patterns. Block Editor APIs, modern tooling, and SOLID-minded code you can study, reuse, or commission.
Who is this for?
Whether you’re a developer, business owner, or agency — we’ve got you covered
No-Code Customers
Business owners and content creators who want to get more from WordPress. Learn how to use plugins and tools – no code required.
WordPress Developers
Practical architecture, open-source plugin examples, Block Editor APIs, and Gutenberg patterns – from junior to senior.
Agencies & Companies
Proven patterns for client projects. Study the codebase, then hire the developer behind 4WP for custom blocks and plugin work.
Browse by Topic
WordPress development topics we build, document, and teach — from themes and plugins to Gutenberg blocks and dev tooling.
Theme Development
Tips and features for WordPress theme development — custom themes, child themes that extend premium themes, FSE builds, and practical theme architecture.
Plugin Development
Custom WordPress plugin development with solid architecture — unique plugins and patterns built to solve complex client requirements at production scale.
Gutenberg Block Development
Custom Gutenberg blocks, theme.json, block patterns, Interactivity API, block bindings, inner blocks, and modern Block Editor workflows.
Tools and Solutions
Productive WordPress dev environments — AI-assisted workflows, WP-CLI, IDE integrations, local site tooling, and automation that speeds up delivery.
4WP Bundle Ecosystem
Open-source WordPress plugins for Gutenberg sites — in-app notifications, SEO inventory & audit, and developer task workflows. Install from WordPress.org or GitHub.
4WP Bundle
Core hub for the 4WP plugin suite — install, activate, and update ecosystem plugins from one wp-admin dashboard. Built-in addons: Show More, Swipe Carousel, and Video Lightbox.
4WP FAQ
Smart wrapper around WordPress core Accordion blocks. FAQPage JSON-LD, optional aggregated FAQ registry, and usage context.
4WP Advanced Code
Enhanced Code block with syntax highlighting and JSON-LD SEO. Terminal emulator for hands-on WP-CLI learning. In-browser IDE for viewing and exploring code.
4WP Account
User account management and profile tools for WordPress membership sites.
4WP Drive
Import Google Docs from Drive (and roadmap: GitHub MD/MDX) into WordPress.
4WP Notifications
WordPress notification plugin — Gutenberg bell block, in-app inbox, WooCommerce alerts, admin broadcasts, mark read/unread, REST send API.
4WP Smart Link
Make Cover, Group, and Column blocks fully clickable in Gutenberg and Query Loop — custom URL or link to the current post in each card.
4WP Style Switcher
Let visitors switch between light and dark styles on your WordPress site with a Gutenberg block.
4WP Weather
Block for current conditions on your site. Choose a provider, store your API key, and display weather in Gutenberg.
4WP SEO Helper
WordPress SEO audit plugin — site-wide SEO inventory for Yoast SEO and All in One SEO. Find missing meta titles & descriptions, set P1–P3 priorities, bulk edit, export CSV, sync via REST.
4WP Todo
WordPress task management plugin for developers and content teams — Gutenberg-native checklists for plugin work, SEO fixes, and launch tasks. (Coming soon)
4WP MCP Abilities
MCP abilities for WordPress — admin content operations, block read/write, and AI agent integrations via the Model Context Protocol.
4WP Polylang API Sync
Synchronize taxonomies and posts between languages in Polylang via REST API.
LMS4WP
Learning Management System for WordPress — courses, lessons, and progress tracking.
4WP QL Blocks
Extends Query Loop blocks with Search and Taxonomy filtering capabilities.
4WP Headless App
Headless WordPress starter with Next.js and the Block Editor.
4WP Analytics Dashboard
Analytics dashboard for WordPress — traffic insights and content performance in wp-admin.
4WP Mega Menu
Gutenberg-native mega menu block with rich dropdown layouts for modern WordPress themes.
4WP Health
WordPress site health monitoring — environment checks, plugin diagnostics, and actionable status reports in wp-admin.
4WP Icons
Lucide icon block with custom SVG, link support, and core block icons.
4WP Planner
WordPress planning and roadmap tool for plugin and content workflows. (Local / coming soon)
4WP Responsive
Responsive utilities for Gutenberg — breakpoint-specific visibility, spacing, and layout controls for core blocks in FSE block themes.
4WP Multilingual FSE
FSE multilingual template parts — swap header-en, header-de, footer-en, home-es and other language-specific parts based on the active locale.
4WP Dev Toolkit
Shared PHPCS and PHPUnit baseline for 4wp-* plugins — WPCS ruleset, test bootstrap, WP test suite installer, and CI workflow templates. Dev-only.
Architectural Approach to WordPress Development
SOLID, DDD, design patterns, and WordPress-native architecture — hooks, blocks, and REST.
Production code from the 4WP ecosystem, not slide-deck theory.
SOLID
Five OOP principles with WordPress examples — one page per letter.
DDD
Domain, bounded context, ubiquitous language — scalable plugin systems.
Design Patterns
GoF patterns and how WordPress already uses them — hooks, facades, strategies.
MVC & Layers
MVC, layered, hexagonal — structuring whole applications and plugins.
Developer Blog
Gutenberg block development, plugin architecture, and WordPress best practices — tutorials
and deep dives from production 4WP code you can study, adapt, and ship.
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Webhooks in WordPress for Bidirectional CRM Integration: Incoming, Outgoing, and Async Processing
1. Overview Webhooks enable automated communication between WordPress (WooCommerce) and an external CRM system when specific events occur. The objective is reliable order synchronization…
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add_filter(‘practice_case_b2b_migration’): Why Using __return_false Changes the Core Email Flow in WordPress
Filters in WordPress are not just about modifying data.In complex projects, they become tools for controlling core behavior. Sometimes — they prevent infrastructure-level problems.…
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How to Use MCP with WordPress: Step-by-Step
Context This guide shows how to connect an MCP client to WordPress via the MCP Adapter and create content using MCP tools. Prerequisites Abilities…