Mastering WordPress Theme & Plugin Development
Categories: Design and development
About Course
Mastering WordPress Theme & Plugin Development is a comprehensive, project-based course designed to take you from beginner to professional WordPress developer. Instead of simply learning how to use WordPress, you will understand how it works internally and build everything from scratch.
The course covers HTML, CSS, JavaScript, PHP, MySQL, WordPress architecture, theme development, plugin development, REST APIs, Gutenberg, security, performance, WooCommerce, deployment, and modern development tools. Through hands-on projects and one-on-one mentoring, you’ll build production-ready themes and plugins, develop a professional portfolio, and gain the skills needed for freelancing, employment, or launching your own WordPress products.
What Will You Learn?
- Understand how WordPress works internally, from installation to request processing.
- Master HTML, CSS, JavaScript, PHP, and MySQL for WordPress development.
- Build professional WordPress themes from scratch using industry best practices.
- Develop powerful WordPress plugins to extend website functionality.
- Customize and extend existing themes and plugins safely and efficiently.
- Create custom post types, taxonomies, widgets, shortcodes, and admin pages.
- Build Elementor-compatible themes, widgets, and dynamic templates.
- Develop modern Gutenberg blocks and Full Site Editing (FSE) themes.
- Integrate third-party APIs, payment gateways, and external services.
- Build custom WooCommerce stores, templates, and extensions.
- Secure WordPress applications against common vulnerabilities and attacks.
- Optimize websites for speed, scalability, and performance.
- Use Git, Composer, WP-CLI, and modern development tools in real projects.
- Deploy, maintain, and troubleshoot WordPress websites in production environments.
- Build a portfolio of real-world themes, plugins, and complete web applications.
- Gain the skills required for freelancing, agency work, full-time employment, or launching your own WordPress products and SaaS solutions.
Course Content
Module 1 — Web Development Foundations
Understand how websites work before learning WordPress.
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Internet and Web Fundamentals
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Client-Server Architecture
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HTTP & HTTPS
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Domains and Hosting
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HTML5
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CSS3
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Responsive Design
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Flexbox
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CSS Grid
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JavaScript Fundamentals
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ES6+
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DOM Manipulation
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JSON
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AJAX
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Basic SQL
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Project: Build a complete static company website.
Module 2 — PHP Programming for WordPress
Master PHP because WordPress is written in PHP.
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PHP Syntax
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Variables
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Operators
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Arrays
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Loops
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Functions
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Forms
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Sessions
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Cookies
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File Upload
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OOP
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Classes
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Objects
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Traits
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Namespaces
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Composer
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Autoloading
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Exception Handling
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Project: Build a simple PHP CMS without WordPress.
Module 3 — Database Design
Learn MySQL because WordPress uses it
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MySQL
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phpMyAdmin
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Database Design
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Relationships
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CRUD
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Indexes
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Transactions
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SQL Optimization
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Project: Create a Student Management System database.
Module 4 — Git & Professional Workflow
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Git
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GitHub
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Branches
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Merge
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Pull Requests
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Releases
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Versioning
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Project: Manage all future course projects with Git.
Module 5 — WordPress Architecture
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Installing WordPress
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File Structure
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Database Structure
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Request Lifecycle
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Template Hierarchy
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Dashboard
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Settings
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Users
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Roles
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Capabilities
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Project: Install WordPress locally from scratch.
Module 6 — Theme Development
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Theme Structure
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style.css
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functions.php
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index.php
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header.php
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footer.php
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sidebar.php
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Template Hierarchy
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Loop
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Menus
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Widgets
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Theme Customizer
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Child Themes
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Template Parts
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Project: Build a responsive corporate theme.
Module 7 — Advanced Theme Development
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Custom Post Types
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Custom Taxonomies
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Custom Fields
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Dynamic Templates
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Query Loop
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WP_Query
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Pagination
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Search
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Archive Template
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Project: Develop a News Portal Theme.
Module 8 — Plugin Development
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Plugin Structure
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Plugin Header
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Activation Hooks
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Deactivation Hooks
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Hooks
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Filters
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Admin Menus
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Settings Pages
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Shortcodes
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Widgets
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Project: Build five professional plugins. (Contact Form, Testimonial, FAQ, Portfolio, and Team Members)
Module 9 — Advanced Plugin Development
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Database Tables
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CRUD
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AJAX
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REST API
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Custom Endpoints
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Background Tasks
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Cron Jobs
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Email
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Third-party APIs
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Project: Build a complete CRM Plugin.
Module 10 — Security
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Nonces
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User Capabilities
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Escaping
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Sanitization
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Validation
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SQL Injection
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XSS
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CSRF
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File Upload Security
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Project: Secure your plugins
Module 11 — Performance Optimization
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Caching
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Object Cache
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Transients
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Query Optimization
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Lazy Loading
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Image Optimization
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Asset Optimization
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Project: Optimize a slow WordPress site.
Module 12 — Modern WordPress Development
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Block Editor
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Gutenberg
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React Basics
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JSX
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npm
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Node.js
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Block Development
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theme.json
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Full Site Editing (FSE)
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Project: Develop custom Gutenberg blocks.
Module 13 — WooCommerce Development
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WooCommerce Architecture
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Product Types
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Hooks
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Checkout Customization
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Payment Gateway
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Shipping
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Custom Product Types
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Project: Develop a WooCommerce extension.
Module 14 — WordPress REST API
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API Authentication
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Custom Endpoints
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JWT
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External APIs
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Headless WordPress
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Project: Build a React frontend consuming WordPress APIs.
Module 15 — Professional Tools
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WP-CLI
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Composer
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Docker
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LocalWP
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Laragon
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Xdebug
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PHPUnit
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Debugging
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Logging
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Project: Create a professional development environment.
Module 16 — Deployment & Production
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Production Hosting
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VPS
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Nginx
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Apache
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SSL
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CDN
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Backups
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Migration
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CI/CD
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Security Hardening
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Project: Deploy a production website.
Module 17 — Capstone Projects
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Corporate Website
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LMS
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Blog Theme
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News Portal
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E-commerce Store
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Booking System
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Membership Website
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Learning Management Plugin
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CRM Plugin
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AI Chat Plugin
Module 18 — Open Source & Career
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WordPress Coding Standards
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Plugin Repository
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Theme Repository
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GPL License
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Documentation
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Contributing to WordPress Core
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Freelancing
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Agency Development
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SaaS Development
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Product Business
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