/** * Gets the parent chain path * @return string A textual representation of the parent chain * @access private */ function _parentPath() { return parent::_parentPath()."($this->_left, $this->_top, $this->_right, $this->_bottom)"; }
/** * Gets the parent chain path * @return string A textual representation of the parent chain * @access private */ function _parentPath() { if ($this->_parent) { return $this->_parent->_parentPath()." -> ".get_class($this)." [$this->_iD]"; } else { return "[chain broken] -> ".get_class($this)." [$this->_iD]"; } }