wordpress rest api orderby code example

Example: wordpress rest api orderby random

<?php
 
/**
 * Add `rand` as an option for orderby param in REST API.
 * Hook to `rest_{$this->post_type}_collection_params` filter.
 *
 * @param array $query_params Accepted parameters.
 * @return array
 */
function add_rand_orderby_rest_post_collection_params( $query_params ) {
	$query_params['orderby']['enum'][] = 'rand';
	return $query_params;
}
add_filter( 'rest_post_collection_params', 'add_rand_orderby_rest_post_collection_params' );