$crumbs Trail after Home; the last is the current page. * @param string $actions Already-escaped buttons for the right of the heading. * @param bool $visible False when the screen draws its own heading; it stays for screen readers. */ public static function open( string $title, string $subtitle = '', array $crumbs = array(), string $actions = '', bool $visible = true ): void { $links = self::header_links(); if ( ! $crumbs ) { $crumbs = array( array( 'label' => $title ) ); } echo '
' . esc_html( $subtitle ) . '
'; } echo '