WordPress Rest API - Ajout endpoint liste de tous les sites d'un multisites

wp-endpoint-get-sites.php

<?php
function wearewp_api_custom_route_get_sites() {
  $args = array(
    'public'    => 1, // I only want the sites marked Public
    'archived'  => 0,
    'mature'    => 0,
    'spam'      => 0,
    'deleted'   => 0,
  );

  $sites = get_sites( $args );
  return $sites;
}

add_action('rest_api_init', function() {
  register_rest_route('wp/v2', 'sites', [
    'methods' => 'GET',
    'callback' => 'wearewp_api_custom_route_get_sites'
  ]); 
});