WP_REST_Taxonomies_Controller::prepare_item_for_response( WP_Taxonomy $item, WP_REST_Request $request ): WP_REST_Response

In this article

Prepares a taxonomy object for serialization.

Parameters

$itemWP_Taxonomyrequired
Taxonomy data.
$requestWP_REST_Requestrequired
Full details about the request.

Return

WP_REST_Response Response object.

Source

public function prepare_item_for_response( $item, $request ) {
	// Restores the more descriptive, specific name for use within this method.
	$taxonomy = $item;

	$base = ! empty( $taxonomy->rest_base ) ? $taxonomy->rest_base : $taxonomy->name;

	$fields = $this->get_fields_for_response( $request );
	$data   = array();

	if ( in_array( 'name', $fields, true ) ) {
		$data['name'] = $taxonomy->label;
	}

	if ( in_array( 'slug', $fields, true ) ) {
		$data['slug'] = $taxonomy->name;
	}

	if ( in_array( 'capabilities', $fields, true ) ) {
		$data['capabilities'] = $taxonomy->cap;
	}

	if ( in_array( 'description', $fields, true ) ) {
		$data['description'] = $taxonomy->description;
	}

	if ( in_array( 'labels', $fields, true ) ) {
		$data['labels'] = $taxonomy->labels;
	}

	if ( in_array( 'types', $fields, true ) ) {
		$data['types'] = array_values( $taxonomy->object_type );
	}

	if ( in_array( 'show_cloud', $fields, true ) ) {
		$data['show_cloud'] = $taxonomy->show_tagcloud;
	}

	if ( in_array( 'hierarchical', $fields, true ) ) {
		$data['hierarchical'] = $taxonomy->hierarchical;
	}

	if ( in_array( 'rest_base', $fields, true ) ) {
		$data['rest_base'] = $base;
	}

	if ( in_array( 'rest_namespace', $fields, true ) ) {
		$data['rest_namespace'] = $taxonomy->rest_namespace;
	}

	if ( in_array( 'visibility', $fields, true ) ) {
		$data['visibility'] = array(
			'public'             => (bool) $taxonomy->public,
			'publicly_queryable' => (bool) $taxonomy->publicly_queryable,
			'show_admin_column'  => (bool) $taxonomy->show_admin_column,
			'show_in_nav_menus'  => (bool) $taxonomy->show_in_nav_menus,
			'show_in_quick_edit' => (bool) $taxonomy->show_in_quick_edit,
			'show_ui'            => (bool) $taxonomy->show_ui,
		);
	}

	$context = ! empty( $request['context'] ) ? $request['context'] : 'view';
	$data    = $this->add_additional_fields_to_object( $data, $request );
	$data    = $this->filter_response_by_context( $data, $context );

	// Wrap the data in a response object.
	$response = rest_ensure_response( $data );

	if ( rest_is_field_included( '_links', $fields ) || rest_is_field_included( '_embedded', $fields ) ) {
		$response->add_links( $this->prepare_links( $taxonomy ) );
	}

	/**
	 * Filters a taxonomy returned from the REST API.
	 *
	 * Allows modification of the taxonomy data right before it is returned.
	 *
	 * @since 4.7.0
	 *
	 * @param WP_REST_Response $response The response object.
	 * @param WP_Taxonomy      $item     The original taxonomy object.
	 * @param WP_REST_Request  $request  Request used to generate the response.
	 */
	return apply_filters( 'rest_prepare_taxonomy', $response, $taxonomy, $request );
}

Hooks

apply_filters( ‘rest_prepare_taxonomy’, WP_REST_Response $response, WP_Taxonomy $item, WP_REST_Request $request )

Filters a taxonomy returned from the REST API.

Changelog

VersionDescription
5.9.0Renamed $taxonomy to $item to match parent class for PHP 8 named parameter support.
4.7.0Introduced.

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