Function: Retrieves the pixel sizes for avatars.

Function: Validate a value based on a schema.

Function: Parse a request argument based on details registered to the route.

Function: Returns a contextual HTTP error code for authorization failure.

Function: Validate a request argument based on details registered to the route.

Function: Sanitize a request argument based on details registered to the route.

Function: Registers a new field on an existing WordPress object type.

Function: Registers default REST API routes.

Function: Retrieves the current REST server instance.

Function: Parses a date into both its local and UTC equivalent, in MySQL datetime format.

Function: Checks for errors when using cookie-based authentication.

Function: Collects cookie authentication status.

Function: Parses an RFC3339 time into a Unix timestamp.

Function: Sends Cross-Origin Resource Sharing headers with API requests.

Function: Handles OPTIONS requests for the server.

Function: Sends the “Allow” header to state all methods that can be sent to the current route.

Function: Adds the REST API URL to the WP RSD endpoint.

Function: Outputs the REST API link tag into page header.

Function: Sends a Link header for the REST API.

Function: Do a REST request.

Function: Ensures request arguments are a request object (for consistency).

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

Function: Handles _deprecated_function() errors.

Function: Handles _deprecated_argument() errors.

Function: Retrieves the URL to a REST endpoint on a site.

Function: Retrieves the URL to a REST endpoint.

Function: Registers rewrite rules for the API.

Function: Adds REST rewrite rules.