How to use:

1. Install UKG server

$ make
$ ./ukg -D

2. Install php extension

$ cd ukg_php_extension
$ phpize
$ ./configure
$ make & make install

3. Write php script

<?php
$key = ukg_getkey('127.0.0.1', 7954);
var_dump($key);
$info = ukg_key2info($key);
var_dump($info);
?>