PHP SOAP Client with WSSE

I need a small, self-contained PHP script that can successfully call the helloWorldWithCertificate operation exposed in the WSDL at https://brugerdatabasen.stil.dk/bpi/wsieksport/7?wsdl Scope • Build... (Budget: €250 - €750 EUR, Jobs: OpenSSL, PHP, Security, SOAP API, Software Development, Web Services, XML)