public function getMessagesAndVersions()
    {
        if (empty($this->messagesAndVersions)) {
            $this->messagesAndVersions = WsdlAnalyser::loadMessagesAndVersions($this->params->wsdl);
        }

        return $this->messagesAndVersions;
    }
public function getMessagesAndVersions()
    {
        if (empty($this->messagesAndVersions)) {
            $this->messagesAndVersions = WsdlAnalyser::loadMessagesAndVersions($this->params->wsdl);
        }

        return $this->messagesAndVersions;
    }
Extract the Messages and versions from the loaded WSDL file.

Result is an associative array: keys are message names, values are versions.

@return array