I created a SOAP client like so:
$client = new SoapClient(\"file.wsdl\");
And then when I want to call an API function
$client-
you should pass an array for the parameters and give your parameters names (those can be found in the wsdl-file). in your case, the result should look like this (assuming the parameter-names should be param1
and param2
on the basis of the error-message):
$client->Authenticate(array('param1'=>"user", 'param2'=>"password"));