get_registered_options example

    /** * Retrieves the settings. * * @since 4.7.0 * * @param WP_REST_Request $request Full details about the request. * @return array|WP_Error Array on success, or WP_Error object on failure. */
    public function get_item( $request ) {
        $options  = $this->get_registered_options();
        $response = array();

        foreach ( $options as $name => $args ) {
            /** * Filters the value of a setting recognized by the REST API. * * Allow hijacking the setting value and overriding the built-in behavior by returning a * non-null value. The returned value will be presented as the setting value instead. * * @since 4.7.0 * * @param mixed $result Value to use for the requested setting. Can be a scalar * matching the registered schema for the setting, or null to * follow the default get_option() behavior. * @param string $name Setting name (as shown in REST API responses). * @param array $args Arguments passed to register_setting() for this setting. */