> 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/fu-5f55-shi-yong-php-kai-fa-kuo-zhan.md).

# 附录\*使用php开发扩展