public function getNodeContent($xPath){
        if ($this->content->xpath($xPath) !== null){
            return (string)trim(end($this->content->xpath($xPath)));
        }
        return false;
    }
public function getNodeContent($xPath){
        if ($this->content->xpath($xPath) !== null){
            return (string)trim(end($this->content->xpath($xPath)));
        }
        return false;
    }
public function getNodeContent ( $ xPath ) { if ( $ this -> content -> xpath ( $ xPath ) !== null ) { return ( string ) trim ( end ( $ this -> content -> xpath ( $ xPath ) ) ) ; } return false ; }
get the content or false of node.
in case of fasle there is no node exists
@param type $xPath
@return string/boolean
get the content or false of node . in case of fasle there is no node exists