What is WordPress Hook: rest_api_init
The rest_api_init hook is a specific hook in WordPress that is used to initialize the REST API. It is an essential hook for developers who want to modify or extend the functionality of the REST API in WordPress.
Understanding the Hook: rest_api_init
The rest_api_init hook is located within the WordPress REST API initialization process. It is called after all of the WordPress core, plugin, and theme functions have been loaded, allowing developers to add their own custom endpoints, routes, and other REST API functionality.
Hook Parameters (if applicable): rest_api_init
The rest_api_init hook does not accept any arguments or parameters.
Hook Doesn’t Work: rest_api_init
If the rest_api_init hook doesn’t work as expected, it could be due to conflicts with other plugins or themes that are also modifying the REST API. It is recommended to deactivate other plugins and switch to a default theme to troubleshoot the issue.
Best Practices & Usage Notes (if applicable): rest_api_init
When using the rest_api_init hook, it is important to ensure that any custom endpoints or routes added do not conflict with existing endpoints or routes. Additionally, developers should be mindful of performance implications when adding custom functionality to the REST API.
Usage Example: rest_api_init
“`php
function custom_rest_api_init() {
register_rest_route( ‘custom/v1’, ‘/endpoint’, array(
‘methods’ => ‘GET’,
‘callback’ => ‘custom_endpoint_handler’,
) );
}
add_action( ‘rest_api_init’, ‘custom_rest_api_init’ );
“`