twentysixteen_categorized_blog(): bool

220	function twentysixteen_categorized_blog() {221		$all_the_cool_cats = get_transient( 'twentysixteen_categories' );222		if ( false === $all_the_cool_cats ) {223			// Create an array of all the categories that are attached to posts.224			$all_the_cool_cats = get_categories(225				array(226					'fields' => 'ids',227					// We only need to know if there is more than one category.228					'number' => 2,229				)230			);231 232			// Count the number of categories that are attached to the posts.233			$all_the_cool_cats = count( $all_the_cool_cats );234 235			set_transient( 'twentysixteen_categories', $all_the_cool_cats );236		}237 238		if ( $all_the_cool_cats > 1 || is_preview() ) {239			// This blog has more than 1 category so twentysixteen_categorized_blog() should return true.240			return true;241		} else {242			// This blog has only 1 category so twentysixteen_categorized_blog() should return false.243			return false;244		}245	}