original_string: public function MoveToParent()
  	{
  		if ( is_null( $this->domNode ) ) return false;
  
  		$parent = $this->domNode->parentNode;
  		if ( is_null( $parent ) ) return false;
  
  		$this->domNode = $parent;
  		return true;
  	}
code: public function MoveToParent()
  	{
  		if ( is_null( $this->domNode ) ) return false;
  
  		$parent = $this->domNode->parentNode;
  		if ( is_null( $parent ) ) return false;
  
  		$this->domNode = $parent;
  		return true;
  	}
code_tokens: public function MoveToParent ( ) { if ( is_null ( $ this -> domNode ) ) return false ; $ parent = $ this -> domNode -> parentNode ; if ( is_null ( $ parent ) ) return false ; $ this -> domNode = $ parent ; return true ; }
docstring: When overridden in a derived class, moves the XPathNavigator to the parent node of the current node.
  
  @return bool	Returns true if the XPathNavigator is successful moving to the parent node of the current node; otherwise,
  false. If false, the position of the XPathNavigator is unchanged.
docstring_tokens: When overridden in a derived class moves the XPathNavigator to the parent node of the current node .