DOM/DOMXPathNavigator.php
public function IsSamePosition( $other )
	{
		if ( is_null( $this->domNode ) || is_null( $other ) ) return false;
		return $this->domNode->isSameNode( $other->getUnderlyingObject() );
	}
public function IsSamePosition( $other )
	{
		if ( is_null( $this->domNode ) || is_null( $other ) ) return false;
		return $this->domNode->isSameNode( $other->getUnderlyingObject() );
	}
public function IsSamePosition ( $ other ) { if ( is_null ( $ this -> domNode ) || is_null ( $ other ) ) return false ; return $ this -> domNode -> isSameNode ( $ other -> getUnderlyingObject ( ) ) ; }
When overridden in a derived class, determines whether the current XPathNavigator
is at the same position as the specified XPathNavigator.

@param XPathNavigator $other : The XPathNavigator to compare to this XPathNavigator.

@return bool  true if the two XPathNavigator objects have the same position; otherwise, false.
When overridden in a derived class determines whether the current XPathNavigator is at the same position as the specified XPathNavigator .