protected function getParamAsXPath($paramName)
	{
		return (isset($this->params[$paramName])) ? XPath::export($this->params[$paramName]) : "''";
	}
protected function getParamAsXPath($paramName)
	{
		return (isset($this->params[$paramName])) ? XPath::export($this->params[$paramName]) : "''";
	}
protected function getParamAsXPath ( $ paramName ) { return ( isset ( $ this -> params [ $ paramName ] ) ) ? XPath :: export ( $ this -> params [ $ paramName ] ) : "''" ; }
Return a parameter's value as an XPath expression

@param  string $paramName
@return string
Return a parameter s value as an XPath expression