_parent = $parent; $this->_child = $child; $this->_type = $type; $this->_name = $name; $this->_isPrimary = $isPrimary; $this->_nthSibling = $nthSibling; } public function getParent() { return $this->_parent; } public function getChild() { return $this->_child; } public function getType() { return $this->_type; } public function getName() { return $this->_name; } public function getIsPrimary() { return $this->_isPrimary; } public function getNthSibling() { return $this->_nthSibling; } } ?>