一、安装
1.1 Composer
composer install 安装依赖
composer update 更新依赖
composer dump-autoload 重新生成autoload文件
composer global require monolog/monolog
composer update monolog/monolog [...]
# more commans:
composer --help
1.1.1 library版本信息
1.1.2 特性
- Autoloading
