string(23) "/path/to/memcached.sock"
int(0)
bool(false)
<hr>array(1) {
  [0]=>
  array(3) {
    ["host"]=>
    string(23) "/path/to/memcached.sock"
    ["port"]=>
    int(11211)
    ["type"]=>
    string(6) "SOCKET"
  }
}