(PECL memcache >= 0.2.0)
Represents a connection to a set of memcache servers.
$host
   [, int $port = 11211
   [, bool $persistent
   [, int $weight
   [, int $timeout
   [, int $retry_interval
   [, bool $status
   [, callable $failure_callback
   [, int $timeoutms
  ]]]]]]]] )$host
   [, int $port = 11211
   [, int $timeout
   [, int $retry_interval = false
   [, bool $status
   [, callable $failure_callback
  ]]]]] )