[SOAP] Parsing results

Hi, the following response message is parsed by PEAR::SOAP as an array of 16 empty strings: why? Could anybody suggest me where should I look in PEAR::SOAP code in order to resolve this problem? Many thanks in advance! INCOMING HTTP/1.1 200 OK Connection: close Date: Fri, 23 Jan 2004 08:58:02 GMT Server: Microsoft-IIS/6.0 X-Powered-By: ASP.NET X-AspNet-Version: 1.1.4322 Cache-Control: private, max-age=0 Content-Type: text/xml; charset=utf-8 Content-Length: 1289 <?xml version="1.0" encoding="utf-8"?> <soap:Envelope xmlns:soap="http://schemas.xmlsoap.org/soap/envelope/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema"> <soap:Header> <wsu:Timestamp xmlns:wsu="http://schemas.xmlsoap.org/ws/2002/07/utility"> <wsu:Created>2004-01-23T08:58:02Z</wsu:Created> <wsu:Expires>2004-01-23T09:03:02Z</wsu:Expires> </wsu:Timestamp> </soap:Header> <soap:Body> <GetAllAirportsResponse xmlns="urn:http://ws.rciholidaynetwork.co.uk/BookingEngine/BookingEngine"> <airports> <airport code="ACE" name="Arrecife" /> <airport code="CUN" name="Cancun International" /> <airport code="DAB" name="Daytona Beach" /> <airport code="DAB" name="Daytona Beach" /> <airport code="FTL" name="Fort Lauderdate" /> <airport code="FUE" name="Fuerteventura" /> <airport code="LPA" name="Las Palmas International" /> <airport code="TFN" name="Los Rodeos" /> <airport code="AGP" name="Malaga" /> <airport code="MIA" name="Miami" /> <airport code="MCO" name="Orlando International" /> <airport code="TFS" name="Reina Sofia" /> <airport code="SFB" name="Sanford" /> <airport code="SRQ" name="Sarasota" /> <airport code="PIE" name="St Petersburg/Clearwater Int'l" /> <airport code="TPA" name="Tampa" /> </airports> </GetAllAirportsResponse> </soap:Body> </soap:Envelope> Kind regards, Matteo