composer 使用归纳

一、composer版本过高

解决办法是：

./composer.phar clearcache

./composer.phar selfupdate

composer  update

 https://blog.csdn.net/gianttj/article/details/84877997

https://blog.csdn.net/huangjinao/article/details/103005593

二、composer速度慢

composer config -g repo.packagist composer https://mirrors.aliyun.com/composer/


三、阿里云sdk

composer require alibabacloud/sdk

https://github.com/aliyun/openapi-sdk-php
四、Do not run Composer as root/super user!
https://www.cnblogs.com/zouke1220/p/10834746.html