> For the complete documentation index, see [llms.txt](https://phper.shujuwajue.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://phper.shujuwajue.com/biao-zhun-php-ku-ff08-spl/jie-kou.md).

# 接口

- [Countable - count统计接口](https://phper.shujuwajue.com/biao-zhun-php-ku-ff08-spl/jie-kou/countable-counttong-ji-jie-kou.md)