[FAQ] Composer, Content-Length mismatch

1.

$ composer config repos.packagist composer https://php.cnpkg.org
$ composer config cache-files-maxsize 2048MiB

其它镜像源  https://packagist.mirrors.sjtug.sjtu.edu.cn/

2.

vi /Users/xxx/.composer/config.json

{
  "config": {
    "github-protocols": [
      "https"
    ]
  },
  "repositories": {
    "packagist.org": {
      "type": "composer",
      "url": "https://php.cnpkg.org"
    }
  }
}

https://stackoverflow.com/questions/38635257/composer-content-length-mismatch

如果提示某个包找不到，就换个镜像源，比如：https://mirrors.aliyun.com/composer/

Refer：Composer length mismatch

Link：https://www.cnblogs.com/farwish/p/12233575.html