Exclude Sensei lessons and courses from search results

Exclude from search results

<?php
// use the code below this comment

add_action( 'init', 'update_my_custom_type', 99 );
 
/**
 * update_my_custom_type
 *
 * @author  Joe Sexton <joe@webtipblog.com>
 */
function update_my_custom_type() {
	global $wp_post_types;
 
	if ( post_type_exists( 'lesson' ) ) {
 
		// exclude from search results
		$wp_post_types['lesson']->exclude_from_search = true;
		
	}
	
	if ( post_type_exists( 'course' ) ) {
 
		// exclude from search results
		$wp_post_types['course']->exclude_from_search = true;
		
	}
	
}