public function getSubtitle()
    {
        return $this->getCachedProperty(
            'subtitle',
            function () {
                // No REQUIRED — no exception.
                $element = $this->query('atom:subtitle', Node::SINGLE);

                /** @var Element $this */
                return $element ? $this->getExtensions()->parseElement($this, $element) : null;
            }
        );
    }
public function getSubtitle()
    {
        return $this->getCachedProperty(
            'subtitle',
            function () {
                // No REQUIRED — no exception.
                $element = $this->query('atom:subtitle', Node::SINGLE);

                /** @var Element $this */
                return $element ? $this->getExtensions()->parseElement($this, $element) : null;
            }
        );
    }
public function getSubtitle ( ) { return $ this -> getCachedProperty ( 'subtitle' , function ( ) { // No REQUIRED — no exception. $ element = $ this -> query ( 'atom:subtitle' , Node :: SINGLE ) ; /** @var Element $this */ return $ element ? $ this -> getExtensions ( ) -> parseElement ( $ this , $ element ) : null ; } ) ; }
Return title.

@return Subtitle|null

@since 1.0
Return title .