Custom Post Types support – snippet

I see many people edit plugin`s core file. Here is simple snippet for functions.php to add support for custom post types:

// add custom post_types to bbpress topics for posts plugin 
add_filter( 'bbppt_eligible_post_types', 'bbppt_add_post_types'); 
function bbppt_add_post_types ($content) { 
array_push($content, 'custom-post-type-1', 'custom-post-type-2'); // add extra post_types here 
return $content; 
}