解决PHP8安装laravel报错：Your requirements could not be resolved to an installable set of packages.

使用腾讯镜像（阿里源缺少一个依赖项版本，其他源缺少一大堆）

composer config -g repos.packagist composer https://mirrors.tencent.com/composer/
腾讯镜像👍
阿里镜像😅