Get SPFieldUserValueCollection for given users

Get SPFieldUserValueCollection 

Pass the string of users(), and return them as SPFieldUserValueCollection

        /// <summary>
        /// Get the users and return the collection of users
        /// </summary>
        /// <param name="web"></param>
        /// <param name="users"></param>
        /// <returns></returns>
        public SPFieldUserValueCollection GetSPFieldUserValueCollection(SPWeb web, string users)
        {
            SPFieldUserValueCollection userValue = new SPFieldUserValueCollection(web, users);
            return userValue;
        }