$ composer config repos.packagist composer https://php.cnpkg.org
$ composer config cache-files-maxsize 2048MiB
Link:https://www.cnblogs.com/farwish/p/12233575.html
$ composer config repos.packagist composer https://php.cnpkg.org
$ composer config cache-files-maxsize 2048MiB
Link:https://www.cnblogs.com/farwish/p/12233575.html