Newbie and Viamichelin episode 2

Hi,
Thank you for your big help to establish connection and get data.  But i have another newbie question : How can  i extract  the data inside my result? For example i asked for geocoodinate of a place so i sent my adresslist and the webservice sent me $result.
$result = $client->call('getLocationsList', $params)
Actually i would like to get just some data in getLocationList (geoCoordinates).
 (http://www.viamichelin.com/ws/services/Geocoding?wsdl)

Janick
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