An action in WordPress is a type of hook that allows developers to execute custom code at specific points in the WordPress execution process. Key aspects of actions include:

Purpose:

  • Add new features or modify existing functionality
  • Perform tasks when certain events occur (e.g., publishing a post, activating a plugin)

Implementation:

  • Use add_action() to hook a function to an action
  • WordPress core provides many predefined action hooks

Common Uses:

  • Adding scripts or styles to a page
  • Sending notifications when certain events occur
  • Modifying the admin interface