https://packagist.phpcomposer.com/

composer config -g repo.packagist composer https://packagist.phpcomposer.com

https://php.cnpkg.org/

composer config -g repo.packagist composer https://php.cnpkg.org

https://mirrors.aliyun.com/composer/

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

https://mirrors.huaweicloud.com/repository/php/

composer config -g repo.packagist composer https://mirrors.huaweicloud.com/repository/php/

https://packagist.mirrors.sjtug.sjtu.edu.cn/

composer config -g repo.packagist composer https://packagist.mirrors.sjtug.sjtu.edu.cn

https://packagist.jp/

composer config -g repo.packagist composer https://packagist.jp