The code area uses Code Mirror and has various themes to suit.
Type your css, no tags needed
Type your PHP, no tags needed (Note, you can not open and close php tags anywhere in your code)
Output all types of code in the usual fashion the_field(‘code_area_field’);
Compatible with both ACF V3 & V4
Works perfectly. Exactly what I needed it to do.
Awesome add-on for the awesome main ACF plugin.