composer Your requirements could not be resolved to an installable set of packages 原因 原因 安装的扩展包的最新版本，对应的环境不匹配；本地环境PHP版本为7.2，所以安装失败。 解决 composer require watson/rememberable "3.2.1" --ignor

1、安装laravel时报错 [root@localhost www]# composer create-project laravel/laravel --prefer-dist XeShopDo not run Composer as root/super user! See https://getcomposer.org/root for detailsInstalling lar