Automattic\VIP\Performance\Last_Post_Modified::override_get_lastpostmodified PHP Метод

    public static function override_get_lastpostmodified($lastpostmodified, $timezone, $post_type)
    {
        $stored_lastpostmodified = self::get_lastpostmodified($timezone, $post_type);
        if (false === $stored_lastpostmodified) {
            return $lastpostmodified;
        }
        return $stored_lastpostmodified;
    }