- Place in:
%AppData%\Roaming\Sublime Text 3\Packages\User
- Add CSS
- Add PHP
- http://www.sublimetext.com/docs/3/syntax.html
- https://stackoverflow.com/questions/47757055/multiple-syntax-highlighting-in-sublimetext-3-with-sublime-syntax-file-type
Taken from: https://raw.githubusercontent.com/JoshuaWebb/SublimeSyntaxMultiLanguage/master/MultiSyntax.sublime-syntax