Overview
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Take the next step in WordPress development. Learn how to work with action and filter hooks and use them to customize the behavior of WordPress core, themes, and plugins.
Syllabus
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Introduction
- Using hooks and filters with confidence
- What you should know
- What is WordPress?
- The WordPress plugin API
- Action hooks explained
- Filters explained
- Changing execution order with priorities
- Using arguments to pass data
- Conditionals and context
- Finding references and documentation
- Identifying available hooks and filters
- A look at load order and dependencies
- Understanding callback functions
- Using apply_filters
- Registering and executing hooks in JavaScript
- A look at what you're building
- Scaffold a simple plugin
- Adding a custom style sheet
- Registering a sidebar
- Displaying a widget area on single posts
- Applying filters for loading style sheets
- Adding custom hooks
- Inside themes and plugins with built-in hooks
- Tips for using third-party hooks
- Staying current with WordPress
- Next steps
