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function is not described

WP_REST_Server::error_to_response() protected WP 4.4.0

Converts an error to a response object.

This iterates over all error codes and messages to change it into a flat array. This enables simpler client behaviour, as it is represented as a list in JSON rather than an object/map.

{} It's a method of the class: WP_REST_Server{}

No Hooks.

Return

WP_REST_Response. List of associative arrays with code and message keys.

Usage

// protected - for code of main (parent) or child class
$result = $this->error_to_response( $error );
$error(WP_Error) (required)
WP_Error instance.

Changelog

Since 4.4.0 Introduced.
Since 5.7.0 Converted to a wrapper of rest_convert_error_to_response().

Code of WP_REST_Server::error_to_response() WP 5.8

<?php
protected function error_to_response( $error ) {
	return rest_convert_error_to_response( $error );
}