php composer 200320

阿里云 Composer 全量镜像

https://developer.aliyun.com/composer

Composer更新与清除缓存命令

https://www.cnblogs.com/phperlinxinlan/p/11688663.html

composer require 本地包（用于开发使用）

https://www.cnblogs.com/eleven24/p/10551345.html

Composer中文文档

https://www.cnblogs.com/eleven24/p/10551345.html

Composer中文网

https://www.phpcomposer.com/