请教 phpbrew 安装 5.6、7.0 版本巨慢的问题，使用 cn2.php.net 会 redirect 的问题

请教两个问题：

1. phpbrew的问题：想要多个 php 版本共存，Mac 自带的是 7.1，目标是安装 5.6，安装了 phpbrew，但是不管是否使用国内镜像依然无法成功安装，只能到 5%，尝试切换过多个网络没有解决问题。
2. 有没有推荐的不折腾的开源 CMS，需求简单，做做网站之类的，除 wordpress。

lucasMacBook-Pro:htdocs lucas$ phpbrew install --mirror http://cn2.php.net 7.0
===> phpbrew will now build 7.0.33
You haven't set any variant. A default set of extensions will be installed for the minimum requirement:
[bcmath, bz2, calendar, cli, ctype, dom, fileinfo, filter, ipc, json, mbregex, mbstring, mhash, pcntl, pcre, pdo, phar, posix, readline, sockets, tokenizer, xml, curl, zip, openssl]
Please run 'phpbrew variants' for more information.

===> Loading and resolving variants...
homebrew prefix '/usr/local/Cellar/mhash/0.9.9.9' doesn't exist. you forgot to install?
homebrew prefix '/usr/local/Cellar/libxml2/2.9.9_2' doesn't exist. you forgot to install?
Checking distribution checksum...
Checksum mismatch: e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855 != 4933ea74298a1ba046b0246fe3771415c84dfb878396201b56cb5333abe86f07
Re-Downloading...
Downloading http://cn2.php.net/distributions/php-7.0.33.tar.bz2 via curl extension
[==================================================================] 177.00/177.00B 100%
Redirecting to https://www.php.net/distributions/php-7.0.33.tar.bz2
[===                                                               ] 0.52/13.97MB  4%