rest_ensure_response( WP_Error|WP_HTTP_Response|mixed $response )

Ensures a REST response is a response object (for consistency).

Description

This implements WP_HTTP_Response, allowing usage of set_status/header/etc without needing to double-check the object. Will also allow WP_Error to indicate error responses, so users should immediately check for this value.

Parameters

$response

(WP_Error|WP_HTTP_Response|mixed) (Required) Response to check.

Return

(WP_REST_Response|mixed) If response generated an error, WP_Error, if response is already an instance, WP_HTTP_Response, otherwise returns a new WP_REST_Response instance.

Source

File: wp-includes/rest-api.php 

function rest_ensure_response( $response ) {
	if ( is_wp_error( $response ) ) {
		return $response;
	}

	if ( $response instanceof WP_HTTP_Response ) {
		return $response;
	}

	return new WP_REST_Response( $response );
}

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Related

Uses

Uses
Uses Description
wp-includes/load.php: is_wp_error()

Check whether variable is a ClassicPress Error.

Used By

Used By
Used By Description
wp-includes/rest-api/class-wp-rest-server.php: WP_REST_Server::dispatch()

Matches the request to a callback and call it.
wp-includes/rest-api/class-wp-rest-server.php: WP_REST_Server::get_namespace_index()

Retrieves the index for a namespace.
wp-includes/rest-api/endpoints/class-wp-rest-comments-controller.php: WP_REST_Comments_Controller::get_items()

Retrieves a list of comment items.
wp-includes/rest-api/endpoints/class-wp-rest-comments-controller.php: WP_REST_Comments_Controller::get_item()

Retrieves a comment.
wp-includes/rest-api/endpoints/class-wp-rest-comments-controller.php: WP_REST_Comments_Controller::create_item()

Creates a comment.
wp-includes/rest-api/endpoints/class-wp-rest-comments-controller.php: WP_REST_Comments_Controller::update_item()

Updates a comment.
wp-includes/rest-api/endpoints/class-wp-rest-comments-controller.php: WP_REST_Comments_Controller::prepare_item_for_response()

Prepares a single comment output for response.
wp-includes/rest-api/class-wp-rest-server.php: WP_REST_Server::serve_request()

Handles serving an API request.
wp-includes/rest-api/class-wp-rest-server.php: WP_REST_Server::embed_links()

Embeds the links from the data into the request.
wp-includes/rest-api/class-wp-rest-server.php: WP_REST_Server::envelope_response()

Wraps the response in an envelope.
wp-includes/rest-api/endpoints/class-wp-rest-users-controller.php: WP_REST_Users_Controller::get_items()

Retrieves all users.
wp-includes/rest-api/endpoints/class-wp-rest-users-controller.php: WP_REST_Users_Controller::get_item()

Retrieves a single user.
wp-includes/rest-api/endpoints/class-wp-rest-users-controller.php: WP_REST_Users_Controller::get_current_item()

Retrieves the current user.
wp-includes/rest-api/endpoints/class-wp-rest-users-controller.php: WP_REST_Users_Controller::create_item()

Creates a single user.
wp-includes/rest-api/endpoints/class-wp-rest-users-controller.php: WP_REST_Users_Controller::update_item()

Updates a single user.
wp-includes/rest-api/endpoints/class-wp-rest-users-controller.php: WP_REST_Users_Controller::prepare_item_for_response()

Prepares a single user output for response.
wp-includes/rest-api/endpoints/class-wp-rest-terms-controller.php: WP_REST_Terms_Controller::get_items()

Retrieves terms associated with a taxonomy.
wp-includes/rest-api/endpoints/class-wp-rest-terms-controller.php: WP_REST_Terms_Controller::get_item()

Gets a single term from a taxonomy.
wp-includes/rest-api/endpoints/class-wp-rest-terms-controller.php: WP_REST_Terms_Controller::create_item()

Creates a single term in a taxonomy.
wp-includes/rest-api/endpoints/class-wp-rest-terms-controller.php: WP_REST_Terms_Controller::update_item()

Updates a single term from a taxonomy.
wp-includes/rest-api/endpoints/class-wp-rest-terms-controller.php: WP_REST_Terms_Controller::prepare_item_for_response()

Prepares a single term output for response.
wp-includes/rest-api/endpoints/class-wp-rest-attachments-controller.php: WP_REST_Attachments_Controller::create_item()

Creates a single attachment.
wp-includes/rest-api/endpoints/class-wp-rest-attachments-controller.php: WP_REST_Attachments_Controller::update_item()

Updates a single attachment.
wp-includes/rest-api/endpoints/class-wp-rest-attachments-controller.php: WP_REST_Attachments_Controller::prepare_item_for_response()

Prepares a single attachment output for response.
wp-includes/rest-api/endpoints/class-wp-rest-taxonomies-controller.php: WP_REST_Taxonomies_Controller::get_items()

Retrieves all public taxonomies.
wp-includes/rest-api/endpoints/class-wp-rest-taxonomies-controller.php: WP_REST_Taxonomies_Controller::get_item()

Retrieves a specific taxonomy.
wp-includes/rest-api/endpoints/class-wp-rest-taxonomies-controller.php: WP_REST_Taxonomies_Controller::prepare_item_for_response()

Prepares a taxonomy object for serialization.
wp-includes/rest-api/endpoints/class-wp-rest-revisions-controller.php: WP_REST_Revisions_Controller::get_items()

Gets a collection of revisions.
wp-includes/rest-api/endpoints/class-wp-rest-revisions-controller.php: WP_REST_Revisions_Controller::get_item()

Retrieves one revision from the collection.
wp-includes/rest-api/endpoints/class-wp-rest-revisions-controller.php: WP_REST_Revisions_Controller::prepare_item_for_response()

Prepares the revision for the REST response.
wp-includes/rest-api/endpoints/class-wp-rest-posts-controller.php: WP_REST_Posts_Controller::prepare_item_for_response()

Prepares a single post output for response.
wp-includes/rest-api/endpoints/class-wp-rest-post-types-controller.php: WP_REST_Post_Types_Controller::get_items()

Retrieves all public post types.
wp-includes/rest-api/endpoints/class-wp-rest-post-types-controller.php: WP_REST_Post_Types_Controller::get_item()

Retrieves a specific post type.
wp-includes/rest-api/endpoints/class-wp-rest-post-types-controller.php: WP_REST_Post_Types_Controller::prepare_item_for_response()

Prepares a post type object for serialization.
wp-includes/rest-api/endpoints/class-wp-rest-post-statuses-controller.php: WP_REST_Post_Statuses_Controller::get_items()

Retrieves all post statuses, depending on user context.
wp-includes/rest-api/endpoints/class-wp-rest-post-statuses-controller.php: WP_REST_Post_Statuses_Controller::get_item()

Retrieves a specific post status.
wp-includes/rest-api/endpoints/class-wp-rest-post-statuses-controller.php: WP_REST_Post_Statuses_Controller::prepare_item_for_response()

Prepares a post status object for serialization.
wp-includes/rest-api/endpoints/class-wp-rest-posts-controller.php: WP_REST_Posts_Controller::update_item()

Updates a single post.
wp-includes/rest-api/endpoints/class-wp-rest-posts-controller.php: WP_REST_Posts_Controller::get_items()

Retrieves a collection of posts.
wp-includes/rest-api/endpoints/class-wp-rest-posts-controller.php: WP_REST_Posts_Controller::get_item()

Retrieves a single post.
wp-includes/rest-api/endpoints/class-wp-rest-posts-controller.php: WP_REST_Posts_Controller::create_item()

Creates a single post.
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Changelog

Changelog
Version Description
WP-4.4.0 Introduced.