==== XML ====
<code xml>
    <function name="rpcf_core_version" id="0x0045">
      <input/>
      <output>
        <string name="core_version"/>
      </output>
    </function>
</code>
==== PHP ====
<code php>
	function rpcf_core_version() { //0x0045
		$ret=array();
		if (!$this->connection->urfa_call(0x0045)) {
			print "Error calling function ". __FUNCTION__ ."\n";
			return FALSE;
		}
		$x = $this->connection->urfa_get_data();
		$ret['core_version']=$x->DataGetString();
//		$this->connection->urfa_get_data(); 
		return $ret;
	}
</code>