block_core_navigation_submenu_get_submenu_visibility( array $context ): string

46function block_core_navigation_submenu_get_submenu_visibility( $context ) {47	$deprecated_open_submenus_on_click = $context['openSubmenusOnClick'] ?? null;48 49	// For backward compatibility, prioritize the legacy attribute if present. If it has been loaded and saved in the editor, then50	// the deprecated attribute will be replaced by submenuVisibility.51	if ( null !== $deprecated_open_submenus_on_click ) {52		// Convert boolean to string: true -> 'click', false -> 'hover'.53		return ! empty( $deprecated_open_submenus_on_click ) ? 'click' : 'hover';54	}55 56	$submenu_visibility = $context['submenuVisibility'] ?? null;57 58	// Use submenuVisibility for migrated/new blocks.59	return $submenu_visibility ?? 'hover';60}