https://getgrav.org/blog/macos-sierra-apache-multiple-php-versions
https://getgrav.org/blog/macos-sierra-apache-mysql-vhost-apc
/usr/local/etc/apache2/2.4
sudo launchctl unload -w /System/Library/LaunchDaemons/com.apple.metadata.mds.plist
sudo launchctl load -w /System/Library/LaunchDaemons/com.apple.metadata.mds.plist