public function getOptions()
    {
        $options = array();
        if (null !== $this->_actor) {
            $options['actor'] = $this->_actor;
        }

        if (null !== $this->_classmap) {
            $options['classmap'] = $this->_classmap;
        }

        if (null !== $this->_encoding) {
            $options['encoding'] = $this->_encoding;
        }

        if (null !== $this->_soapVersion) {
            $options['soap_version'] = $this->_soapVersion;
        }

        if (null !== $this->_uri) {
            $options['uri'] = $this->_uri;
        }

        if (null !== $this->_features) {
            $options['features'] = $this->_features;
        }

        if (null !== $this->_wsdlCache) {
            $options['cache_wsdl'] = $this->_wsdlCache;
        }

        return $options;
    }