To use MAPORAMA Web Services on web servers using PHP, you have first to choose your soap proxy.
nusoap, php soap, ...

Be noticed: using php 5.2.* on several LINUX distributions, SOAP PHP is not able to manage values : 'Nan', 'INF' or '-INF'
Refers to PHP web site
To bypass this bug, use 'Exceptions' enabled on your SoapClient and 'try ... catch' your call to our plateform.