1、composer 安装一个组件（composer require topthink/think-worker） 报错如下
Failed to decode response: zlib_decode(): data error
Retrying with degraded mode, check https://getcomposer.org/doc/articles/troubles hooting.md#degraded-mode for more info
[ErrorException]
zlib_decode(): data error
require [--dev] [--prefer-source] [--prefer-dist] [--no-progress] [--no-suggest] [--no-update] [--no-scripts] [--update-no-dev] [--update-with-dependencies] [-- update-with-all-dependencies] [--ignore-platform-reqs] [--prefer-stable] [--pref er-lowest] [--sort-packages] [-o|--optimize-autoloader] [-a|--classmap-authorita tive] [--apcu-autoloader] [--] [<packages>]...
完整截图：
解决方法：
1、首先更新composer
composer self-update
2、换http源，更改配置不要使用https加密连接
composer config -g repo.packagist composer http://packagist.phpcomposer.com
composer config -g secure-http false
重新执行安装命令即可成功
Composer 安装 zlib_decode(): data error 错误
原文：https://www.cnblogs.com/pxjbk/p/11517966.html