Starts the list before the elements are added.

• Walker_Nav_Menu::start_lvl()

$output string Required

Used to append additional content (passed by reference).

$depth int Required

Depth of page. Used for padding.

$args stdClass Optional

Not used.

Default: null

File: wp-admin/includes/class-walker-nav-menu-checklist.php. View all references

public function start_lvl( &$output, $depth = 0, $args = null ) {
	$indent  = str_repeat( "\t", $depth );
	$output .= "\n$indent<ul class='children'>\n";
}