## 變量賦值時候，等號要對齊，看起來工整 錯誤示范 ~~~ /** * 關閉數據庫（或者重新連接） * @access public * @return $this */ public function close() { $this->linkID = null; $this->linkWrite= null; $this->linkRead = null; $this->links = []; return $this; } ~~~ 正確示范 ~~~ /** * 關閉數據庫（或者重新連接） * @access public * @return $this */ public function close() { $this->linkID = null; $this->linkWrite = null; $this->linkRead = null; $this->links = []; return $this; } ~~~ 對比一目了然