# File lib/memcache_util.rb, line 69
  def self.add(key, value, expiry = 0)
    start_time = Time.now
    response = CACHE.add key, value, expiry
    elapsed = Time.now - start_time
    logger.debug('MemCache Add (%0.6f)  %s' % [elapsed, key])
    (response == "STORED\r\n") ? value : nil
  rescue MemCache::MemCacheError => err
    ActiveRecord::Base.logger.debug "MemCache Error: #{err.message}"
    nil
  end