> For the complete documentation index, see [llms.txt](https://php7.shujuwajue.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://php7.shujuwajue.com/php-70x-xin-te-xing/xin-zeng-cao-zuo-fu.md).

# 新增操作符

- [太空飞船操作符（<=>）](https://php7.shujuwajue.com/php-70x-xin-te-xing/xin-zeng-cao-zuo-fu/tai-kong-fei-chuan-cao-zuo-fu-ff083c3d3e-ff09.md)
- [null 合并运算符（??）](https://php7.shujuwajue.com/php-70x-xin-te-xing/xin-zeng-cao-zuo-fu/null-he-bing-yun-suan-fu-ff083f3f-ff09.md)