// https://developer.wordpress.org/reference/functions/register_rest_route/#user-contributed-notes
// https://stackoverflow.com/questions/42462187/wordpress-rest-api-v2-how-to-list-taxonomy-terms
// http://youdomain.com/wp-json/wp/v2/all-terms?term=you_taxonomy
class all_terms
{
public function __construct()
{
$version = '2';
$namespace = 'wp/v' . $version;
$base = 'all-terms';
register_rest_route($namespace, '/' . $base, array(
'methods' => 'GET',
'callback' => array($this, 'get_all_terms'),
));
}
public function get_all_terms($object)
{
$return = array();
// $return['categories'] = get_terms('category');
// $return['tags'] = get_terms('post_tag');
// Get taxonomies
$args = array(
'public' => true,
'_builtin' => false
);
$output = 'names'; // or objects
$operator = 'and'; // 'and' or 'or'
$taxonomies = get_taxonomies($args, $output, $operator);
foreach ($taxonomies as $key => $taxonomy_name) {
if($taxonomy_name = $_GET['term']){
$return = get_terms($taxonomy_name);
}
}
return new WP_REST_Response($return, 200);
}
}