Disable Gutenberg via Manual Code in "functions.php"

Lucky for you, there is a way to disable Gutenberg.. the new WordPress Editor for noobs.

How to Disable Gutenberg Completely:

To completely disable Gutenberg, add the following line via functions.php in your Theme folder:

add_filter('gutenberg_can_edit_post_type', '__return_false');

And.. all ways remember to KILL your CACHE, when adding new functions, posts, or pages.