class Server { 

    // __dispatch_map 
    public $__dispatch_map = array();   
    public function __construct() {

	$this->__dispatch_map["restart"] = array (
	    "in" => array(
		"courseconfig" => "string",
		"moduleconfig" => "string",
		"uservalues" => "string",
	    ), 
	    "out" => array("jsonData" => "string")
	);

        // get back __dispatch_map in __dispatch 
	public function __dispatch($methodname) { 

		if (isset($this->__dispatch_map[$methodname])) { 
			return $this->__dispatch_map[$methodname]; 
		} 

		return NULL; 
 	}

/************* Fuction wich will be executed */
        function restart($configStr, $monfigStr, $userStr) {
	include_once('configuration/config.inc.php');
        
Mach was.....
Hier möchte ich eine exteren funktion wie z.b. dbconnect(); aufrufen

        }
  }

service = new Server(); 

// server 
$ss = new SOAP_Server(); 

// add service with name 
$ss->addObjectMap ($service,"urn:lmsinterfaceserver"); 

// service or wsdl 
if (isset($_SERVER["REQUEST_METHOD"])&& $_SERVER["REQUEST_METHOD"] == "POST") { 

    // postdata -> service 
    $ss->service ($HTTP_RAW_POST_DATA);       

}