I want to use some online web service. but am not expert in this field. a tutorial on the net said something like this.. (was about NuSoap library) require_once('nusoap.php'); [code]$wsdl="http://www.xmethods.net/sd/2001/CurrencyExchangeService.wsdl"; $client=new soapclient($wsdl, 'wsdl'); $param=array('country1'=>'usa', 'country2'=>'canada'); echo $client->call('getRate', $param);[/code] it was using nuSoap library. nut when viewing this page after coding it. nothing appears on screen. what is the porblem (if u knwo about PEAR_SOAP, u can help also)