Wordpress - include custom posts in search results

custom-posts-in-search-results

function include_post_types_in_search($query) {
	if(is_search()) {
		$post_types = get_post_types(array('public' => true, 'exclude_from_search' => false), 'objects');
		$searchable_types = array();
		if($post_types) {
			foreach( $post_types as $type) {
				$searchable_types[] = $type->name;
			}
		}
		$query->set('post_type', $searchable_types);
	}
	return $query;
}
add_action('pre_get_posts', 'include_post_types_in_search');

or

function searchAll( $query ) {
	if ( $query->is_search ) {
		$query->set( 'post_type', array( 'post', 'page', 'feed', 'nav_menu_item', 'custom_post_type1', 'custom_post_type2'));
	}
	return $query;
}
add_filter( 'the_search_query', 'searchAll' );