This article from the PHP ecshop secondary development blog, please be sure to keep this from http://phpecshop.blog.51cto.com/6296699/1883448

According to the tutorial “New Installation of Mac OS Sierra (10.12) and using HomeBrew to install ZSH + MNMP (Mac + Nginx + Mysql + Php) Development environment”, there was an error in using BREW to install PHP70 on the Mac.

brew install php70 --with-debug --with-gmp --with-homebrew-curl --with-homebrew-libressl --with-homebrew-libxml2 --with-homebrew-libxslt --with-imap --with-libmysql --with-mysql

Error message:

configure: error: Cannot find libz

If reporting this issue please do so at (not Homebrew/brew or Homebrew/core):
https://github.com/josegonzalez/homebrew-php/issues

/usr/local/Homebrew/Library/Homebrew/utils/github.rb:226:in `raise_api_error': Validation Failed (GitHub::Error)
    from /usr/local/Homebrew/Library/Homebrew/utils/github.rb:184:in `open'
    from /usr/local/Homebrew/Library/Homebrew/utils/github.rb:233:in `issues_matching'
    from /usr/local/Homebrew/Library/Homebrew/utils/github.rb:266:in `issues_for_formula'
    from /usr/local/Homebrew/Library/Homebrew/exceptions.rb:325:in `fetch_issues'
    from /usr/local/Homebrew/Library/Homebrew/exceptions.rb:321:in `issues'
    from /usr/local/Homebrew/Library/Homebrew/exceptions.rb:383:in `dump'
    from /usr/local/Homebrew/Library/Homebrew/brew.rb:133:in `rescue in <main>'
    from /usr/local/Homebrew/Library/Homebrew/brew.rb:31:in `<main>'

Solutions:

$ xcode-select --install


$ brew install php70 --with-debug --with-gmp --with-homebrew-curl --with-homebrew-libressl --with-homebrew-libxml2 --with-homebrew-libxslt --with-imap --with-libmysql --with-mysql

Fixed

Reference link:
http://stackoverflow.com/questions/39442552/5-boxen-errors-when-running-boxen-our-boxen