(PHP 5 >= 5.0.1, PHP 7)
Calls a SOAP function
public mixed SoapClient::__soapCall ( string $function_name, array $arguments [, array $options [, mixed $input_headers [, array &$output_headers ]]] )
This is a low level API function that is used to make a SOAP call. Usually, in WSDL mode, SOAP functions can be called as methods of the SoapClient object. This method is useful in non-WSDL mode when soapaction is unknown,