Habari\Post::set_revision PHP Метод

    public function set_revision($date)
    {
        $rev_data = $this->get_revision_data($date);
        foreach ($rev_data as $field) {
            if (isset($this->fields[$field->change_field])) {
                $this->newfields[$field->change_field] = $field->old_value;
            }
        }
        Plugins::act('set_revision_field', $this, $rev_data);
    }