public function isSelfOrAncestorOf($other) {
   return (
      $this->getLeft() <= $other->getLeft() &&
      $this->getRight() > $other->getLeft() &&
      $this->inSameScope($other)
    );
  }
public function isSelfOrAncestorOf($other) {
   return (
      $this->getLeft() <= $other->getLeft() &&
      $this->getRight() > $other->getLeft() &&
      $this->inSameScope($other)
    );
  }
public function isSelfOrAncestorOf ( $ other ) { return ( $ this -> getLeft ( ) <= $ other -> getLeft ( ) && $ this -> getRight ( ) > $ other -> getLeft ( ) && $ this -> inSameScope ( $ other ) ) ; }
Returns true if node is self or an ancestor.

@param NestedSet
@return boolean
Returns true if node is self or an ancestor .