Disable Gutenberg Posts & Post Type (or for sfwd-certificates post type in LMS LearnDash)

gistfile1.txt

<?php

// disable gutenberg for posts
//==============================
add_filter('use_block_editor_for_post', '__return_false', 10);

// disable gutenberg  for post types
//===========================
add_filter('use_block_editor_for_post_type', '__return_false', 10);

//*****---   Remove Gutenberg Block Library CSS from loading on the frontend  ---*****
//===================================================================
function smartwp_remove_wp_block_library_css(){
 wp_dequeue_style( 'wp-block-library' );
 wp_dequeue_style( 'wp-block-library-theme' );
}
add_action( 'wp_enqueue_scripts', 'smartwp_remove_wp_block_library_css' );

// for the next post type of LMS LearnDash - disable all the above

// disable gutenberg for post type sfwd-certificates
//====================================================
add_filter('use_block_editor_for_post_type', 'prefix_disable_gutenberg', 10, 2);
function prefix_disable_gutenberg($current_status, $post_type)
{
    if ($post_type !== 'sfwd-certificates') return false;
    return $current_status;
}