brew install php70
export PATH="$(brew --prefix php@7.0)/bin:$PATH"
php --ini
brew list --versions | grep php
brew remove php@7.0
https://getgrav.org/blog/macos-sierra-apache-multiple-php-versions
https://getgrav.org/blog/macos-sierra-apache-mysql-vhost-apc
https://getgrav.org/blog/macos-sierra-apache-ssl
https://medium.com/@romaninsh/install-php-7-2-on-macos-high-sierra-with-homebrew-bdc4d1b04ea6