https://blog.wongcw.com/2018/11/16/php-%e4%b8%ad%e5%a6%82%e4%bd%95%e7%a7%bb%e9%99%a4%e6%8e%a7%e8%a3%bd%e5%ad%97%e7%ac%a6/
PHP 中如何移除控製字符