How to make xmlrpc server work

This works for me:

Client:

PHP Code:

<?php if( ! defined('BASEPATH') ) exit('No direct script access allowed');

class Xmlrpc_client extends CI_Controller{
    
    public function __construct()
    {
        parent::__construct();
    }

    // -----------------------------------------------------------------------

    /**
     * undocumented method
     */
    public function index()
    {
        $this->load->helper('url');
        $server_url = site_url('xmlrpc_server'); /* I changed this */

        $this->load->library('xmlrpc');

        $this->xmlrpc->server($server_url, 80);
        $this->xmlrpc->method('Greetings');

        $request = array('How is it going?');
        $this->xmlrpc->request( $request );

        if( ! $this->xmlrpc->send_request() )
        {
            echo $this->xmlrpc->display_error();
        }
        else
        {
            echo '<pre>';
            print_r($this->xmlrpc->display_response());
            echo '</pre>';
        }
    }
    
    // -----------------------------------------------------------------------
}

/* End of file Xmlrpc_client.php */
/* Location: /application/controllers/Xmlrpc_client.php */ 


Server:

PHP Code:

<?php if( ! defined('BASEPATH') ) exit('No direct script access allowed');

class Xmlrpc_server extends CI_Controller{
    
    public function __construct()
    {
        parent::__construct();
    }

    // -----------------------------------------------------------------------

    /**
     * undocumented method
     */
    public function index()
    {
        $this->load->library('xmlrpc');
        $this->load->library('xmlrpcs');

        $config['functions']['Greetings'] = array(
            'function' => 'Xmlrpc_server.process'
        );

        $config['object'] = $this;
        $this->xmlrpcs->initialize($config);
        $this->xmlrpcs->serve();
    }

    /**
     * undocumented method
     */
    public function process( $request )
    {
        $parameters = $request->output_parameters();

        $response = array(
            array(
                'you_said'  => $parameters[0],
                'i_respond' => 'Not bad at all.'
            ),
            'struct'
        );

        return $this->xmlrpc->send_response( $response );
    }
    
    // -----------------------------------------------------------------------
}

/* End of file Xmlrpc_server.php */
/* Location: /application/controllers/Xmlrpc_server.php */ 


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