有人在 Ubuntu 16.04 上安装过 laravel 5 吗？我刚刚切换到 Ubuntu 16.04，我正在尝试使用 composer 在其上安装 laravel 5 框架。但是每次我尝试创建一个项目时，它都会给我这个错误
Your requirements could not be resolved to an installable set of packages.
Problem 1
- laravel/laravel v5.2.0 requires laravel/framework 5.2.* -> satisfiable by laravel/framework[v5.2.0, v5.2.1, v5.2.10, v5.2.11, v5.2.12, v5.2.13, v5.2.14, v5.2.15, v5.2.16, v5.2.17, v5.2.18, v5.2.19, v5.2.2, v5.2.20, v5.2.21, v5.2.22, v5.2.23, v5.2.24, v5.2.25, v5.2.26, v5.2.27, v5.2.28, v5.2.29, v5.2.3, v5.2.30, v5.2.31, v5.2.4, v5.2.5, v5.2.6, v5.2.7, v5.2.8, v5.2.9].
- laravel/laravel v5.2.15 requires laravel/framework 5.2.* -> satisfiable by laravel/framework[v5.2.0, v5.2.1, …