WP_Customize_Manager::has_published_pages() WordPress Method

	public function has_published_pages() {

		$setting = $this->get_setting( 'nav_menus_created_posts' );
		if ( $setting ) {
			foreach ( $setting->value() as $post_id ) {
				if ( 'page' === get_post_type( $post_id ) ) {
					return true;
				}
			}
		}
		return 0 !== count( get_pages( array( 'number' => 1 ) ) );
	}
Uses	Description
wp-includes/class-wp-customize-manager.php:WP_Customize_Manager::get_setting()	Retrieves a customize setting.
wp-includes/post.php:get_pages()	Retrieve an array of pages (or hierarchical post type items).
wp-includes/post.php:get_post_type()	Retrieves the post type of the current post or of a given post.