ACF_To_REST_API_Controller::get_id PHP Метод

        protected function get_id($object)
        {
            $this->id = false;
            if (is_numeric($object)) {
                $this->id = $object;
            } elseif (is_array($object)) {
                $object = array_change_key_case($object, CASE_UPPER);
                if (array_key_exists('ID', $object)) {
                    $this->id = $object['ID'];
                }
            } elseif (is_object($object)) {
                if ($object instanceof WP_REST_Response) {
                    return $this->get_id($object->get_data());
                } elseif ($object instanceof WP_REST_Request) {
                    $this->id = $object->get_param('id');
                } elseif (isset($object->ID)) {
                    $this->id = $object->ID;
                } elseif (isset($object->comment_ID)) {
                    $this->id = $object->comment_ID;
                } elseif (isset($object->term_id)) {
                    $this->id = $object->term_id;
                }
            }
            $this->id = absint($this->id);
            return $this->id;
        }