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WordPress Plugin Development Course Structure

Module 1: Introduction to WordPress Development

  • What is WordPress (CMS, Ecosystem)
  • Difference between Themes and Plugins
  • Overview of the WordPress File Structure
  • Local Development Setup (XAMPP/LAMP/LocalWP)
  • Tools Required (Code Editor, Debugging Tools, WP CLI)

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Module 2: Plugin Development Basics​

  • What is a Plugin and How WordPress Loads It
  • Creating Your First Plugin (Header, Hooks, File Structure)
  • Understanding add_action() and add_filter()
  • WordPress Coding Standards

Module 3: Working with WordPress Hooks​

  • Actions vs Filters – Deep Dive
  • Common WordPress Hooks
  • Creating Custom Hooks

Module 4: Admin Panel Integration​

  • Adding Menu Pages and Submenus
  • Using WordPress Settings API
  • Enqueuing Scripts and Styles in Admin Panel
  • Creating Custom Settings Pages

Module 5: Database Operations​

  • Using $wpdb Class for Queries
  • Creating Custom Tables
  • Data Insertion, Retrieval, Update, and Delete
  • Security with Prepared Statements

Module 6: Custom Post Types & Taxonomies​

  • Registering Custom Post Types
  • Registering Custom Taxonomies
  • Creating Meta Boxes and Saving Custom Fields
  • Using register_meta()

Module 7: AJAX in WordPress Plugins​

  • Frontend and Backend AJAX Integration
  • Secure AJAX Requests (Nonces)
  • Real-World AJAX Example (like live search)

Module 8: Shortcodes and Widgets​

  • Creating Custom Shortcodes
  • Creating Custom Widgets
  • Displaying Plugin Output on Frontend

Module 9: Security and Best Practices​

  • Validating and Sanitizing Data
  • Nonces and Capability Checks
  • Plugin Folder and File Security

Module 10: Plugin Internationalization​

  • Making Your Plugin Translation-Ready
  • Using __() and _e() Functions
  • Creating POT Files

Module 11: Deployment and Distribution​

  • Preparing Plugin for WordPress Repository
  • Readme.txt Format
  • Versioning and Licensing
  • Updating Plugins

Bonus Modules (Optional Advanced)​

  • Using Composer in Plugins
  • Plugin Boilerplate Architecture
  • Integrating Third-party APIs
  • Creating REST API Endpoints in Plugin