protected function _serializeNode($nodeName, $value)
	{
		return sprintf('<%s>%s</%1$s>', $nodeName, $this->xmlEncode($this->_helper->escapeHtml($value)));
	}
protected function _serializeNode($nodeName, $value)
	{
		return sprintf('<%s>%s</%1$s>', $nodeName, $this->xmlEncode($this->_helper->escapeHtml($value)));
	}
protected function _serializeNode ( $ nodeName , $ value ) { return sprintf ( '<%s>%s</%1$s>' , $ nodeName , $ this -> xmlEncode ( $ this -> _helper -> escapeHtml ( $ value ) ) ) ; }
Serialize the value as an xml element with the given node name.

@param  string
@param  mixed
@return string
Serialize the value as an xml element with the given node name .